Podcasts about pgv

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Best podcasts about pgv

Latest podcast episodes about pgv

Pepperl+Fuchs Plugged-In: Product Reveal
Extended Protocol Solutions for Camera-Based Track Guidance

Pepperl+Fuchs Plugged-In: Product Reveal

Play Episode Listen Later Jan 20, 2025 12:08


Floor-based navigation has long been the ideal choice for automated guided vehicles (AGVs) moving around in a warehouse. Position guided vision (PGV) is a proven camera-based track guidance sensor that provides unmatched resolution and accuracy on a variety of targets including colored lanes, 2-D Data Matrix code tapes, and Data Matrix code tags. This unique solution is now available in two brand new protocol options that are perfect for the AGV market: EtherCAT and TCP/IP. In today’s episode, we will introduce these options and discuss the benefits each can offer for navigation and positioning. View the links below to learn more about the PGV: PGV – Automated Guided Vehicle Control AGV How to Use the PGV for Robot Guidance See omnystudio.com/listener for privacy information.

The David Alliance
Making Dreams Come True Pt. 3

The David Alliance

Play Episode Listen Later Jan 16, 2025 7:18


Garth Heckman TDAgiantslayer@Gmail.com  The David Alliance      Joseph had the coat of many colors…. It meant so much. But what did his brothers do? They dipped into GOATS blood to signify his death. There's gotta be blood. Jesus died to redeem your vision for your life. He sets up the perfect grid: you are the fathers favorite. You get a dream. I have redeemed it for you. You will be tested to bring you into favor with man and intimacy with me (God) and you will receive a new coat of authority.  …But Joseph got another coat from Potiphar (Gen. 42:41, 42) It symbolized his dream. One of power, authority and prestige- but he had it all taken from him by a false accusation, a woman of desire and lust… I wonder if he thought, well that was my run. Not bad, but now its back to slavery for me… Obviously he hung on to the dream God gave him.  But Joseph was actually helping Potiphar achieve his dream, his cause at least. That can happen to us… I think Joe would have been ok with that - but God had greater plans.      .    Family will be jealous of your dream and purpose V. 24. They threw him into a well that was empty. No water… Water signifies life. This is a precursor of Jesus being thrown into the grave and he died.  V. 31 They kill a goat. This is before the understanding of sacrifices… but God knew that there has to be a sacrifice for the benefits to be paid for. Jesus was our sacrifice for the benefits he provided for our purpose/vision/Goals    Chp. 39  V.12 She grabbed his robe - this was Potiphar's blessing on him. He ran from it. He would rather honor God and forfeit any blessing from a man then from God.  He loses his “position”. V.23 He still prospers in prison. No matter what the world throws at you, if you continue to trust God with your PGV you will be blessed. 

The David Alliance
Making Dreams Come True Pt. 2

The David Alliance

Play Episode Listen Later Jan 14, 2025 7:40


The early years… Josephs father Jacob was a manipulator,  Joe came from a family of 4 moms, 13 boys, His grandfather Laban was a sheister/manipulator. His brothers Simeon and Levi killed an entire village, his oldest brother Reuben slept with his fathers concubine… Jacob openly loved Joe more than the others. The women in the house did not like each other… wonder wonder!!! When Benjamin was born His mother Rachel died and everything just got worse.     Equation Passions, skills, talents, gifting + Godly choices + his purpose = an unstoppable PGV.     But he was given a dream - 2 actually. BUT THE DREAM WAS NOT THAT HE WOULD BE THE SECOND IN COMMAND OF THE WHOLE WORLD…    Gen. 37 - His father says go check on your brothers… I believe Dad recognized Joes leadership and integrity!    V. 2 He is a young man of integrity. He tells his father that his brothers are up to no good. When you see their hearts you can imagine that they really are scoundrels.        V. 3 Dad loved Joseph more than the others. He gave him a coat. What did it resemble? PARENTS SOW THAT INTO YOUR KIDS! DREAMS, EXPECTATIONS, VSIONS. SPEAK INTO THEM. The coat represented: all of Gods attributes, You hold a special place of authority  it signifies his position of favor in the family  and signifies he will receive the greatest inheritance.

Pretty Good Vibrations
Soundtrack Shootout: Pulp Fiction v. Forrest Gump

Pretty Good Vibrations

Play Episode Listen Later May 7, 2024 128:11


Two music-centric films. Two different generations. Both released in 1994, Forrest Gump and Pulp Fiction call upon the same period of popular music but in distinctly different ways (with very different budgets). Michael Parker (Pickwick) and I try out a new episode format -- you could say we take it for a spin in a vintage Chevy while enjoying an overpriced milkshake -- where we pit the soundtracks against each other, track by track. We also talk about the films a bit. And we hear some GREAT songs. Let me know if these are fun! PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
2000's Emo Deep Dive & Mega-Tournament (Part 5)

Pretty Good Vibrations

Play Episode Listen Later Apr 30, 2024 67:55


THE GLORIOUS FINAL CHAPTER. * Also we talk about YouTube, but this episode is audio-only (and further episodes, most likely!) * We went for it on this one. 45 bands. 5 parts. Dashboard Confessional. Saves the Day. Paramore. Further Seems Forever. Anberlin. Brand New. Taking Back Sunday. Cursive. My Chemical Romance... and THIRTY-SIX other bands. I am joined by returning guest Jeff Martin (This Day & Age) for the most ambitious and thorough tournament yet attempted on Pretty Good Vibrations. But here's the thing -- we keep things fairly breezy throughout and don't linger on any particular band tooooo long... If you lived through this era, then we almost definitely talked about most of your favorite bands. Spotify playlist for today's episode: https://open.spotify.com/playlist/737yPBRbSPLbjGGpieqQAL?si=b39cdcc4e20141b3 PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
2000's Emo Deep Dive & Mega-Tournament (Part 4)

Pretty Good Vibrations

Play Episode Listen Later Apr 23, 2024 103:15


* This is part 4 * ** There was an issue with Jeff's mic, creating some little pops and audio artifacts throughout the episode. For some it might be too annoying, but I haven't found a way to solve it and I think it'll be livable for most listeners ** *** Also we talk about YouTube, but this episode is audio-only (and further episodes, most likely!) *** We went for it on this one. 45 bands. 5 parts. Dashboard Confessional. Saves the Day. Paramore. Further Seems Forever. Anberlin. Brand New. Taking Back Sunday. Cursive. My Chemical Romance... and THIRTY-SIX other bands. I am joined by returning guest Jeff Martin (This Day & Age) for the most ambitious and thorough tournament yet attempted on Pretty Good Vibrations. But here's the thing -- we keep things fairly breezy throughout and don't linger on any particular band tooooo long... If you lived through this era, then we almost definitely talked about most of your favorite bands. Spotify playlist for today's episode: https://open.spotify.com/playlist/737yPBRbSPLbjGGpieqQAL?si=b39cdcc4e20141b3 PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
2000's Emo Deep Dive & Mega-Tournament (Part 3)

Pretty Good Vibrations

Play Episode Listen Later Apr 16, 2024 60:34


* This is part 3 * We went for it on this one. 45 bands. 5 parts. Dashboard Confessional. Saves the Day. Paramore. Further Seems Forever. Anberlin. Brand New. Taking Back Sunday. Cursive. My Chemical Romance... and THIRTY-SIX other bands. I am joined by returning guest Jeff Martin (This Day & Age) for the most ambitious and thorough tournament yet attempted on Pretty Good Vibrations. But here's the thing -- we keep things fairly breezy throughout and don't linger on any particular band tooooo long... If you lived through this era, then we almost definitely talked about most of your favorite bands. Spotify playlist for today's episode: https://open.spotify.com/playlist/737yPBRbSPLbjGGpieqQAL?si=b39cdcc4e20141b3 PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
2000's Emo Deep Dive & Mega-Tournament (Part 2)

Pretty Good Vibrations

Play Episode Listen Later Apr 9, 2024 76:51


* This is part 2 -- look one episode back for part 1! ** YouTube version of this episode: https://youtu.be/h0GCeYwjkDE We went for it on this one. 45 bands. 5 parts. Dashboard Confessional. Saves the Day. Paramore. Further Seems Forever. Anberlin. Brand New. Taking Back Sunday. Cursive. My Chemical Romance... and THIRTY-SIX other bands. I am joined by returning guest Jeff Martin (This Day & Age) for the most ambitious and thorough tournament yet attempted on Pretty Good Vibrations. But here's the thing -- we keep things fairly breezy throughout and don't linger on any particular band tooooo long... If you lived through this era, then we almost definitely talked about most of your favorite bands. PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

The Litigation Psychology Podcast
The Litigation Psychology Podcast - Episode 209 - Med Mal Litigation Part 6 - Discovery Phase of Medical Malpractice Cases

The Litigation Psychology Podcast

Play Episode Listen Later Apr 8, 2024 43:48


Chuck Ingram, Partner with Estes, Ingram, Foels & Gibbs, P.A., joins Bill Kanasky, Jr., Ph.D. to talk about the discovery stage of medical malpractice litigation. Chuck discusses the importance being proactive during the discovery phase in med mal cases and how he approaches discovery differently based on which plaintiff firm has filed the suit. Bill and Chuck also talk about developing younger attorneys, managing co-defendants, strategies for admitting liability, the value of jury research, over-reliance on expert witnesses, and dealing with emotional nurse witnesses. Watch the video of this episode: https://www.courtroomsciences.com/r/Pgv

Pretty Good Vibrations
2000's Emo Deep Dive & Mega-Tournament (Part 1)

Pretty Good Vibrations

Play Episode Listen Later Apr 2, 2024 83:13


*YouTube version of this episode: https://youtu.be/8EGbuVMOePU We went for it on this one. 45 bands. 5 parts. Dashboard Confessional. Saves the Day. Paramore. Further Seems Forever. Anberlin. Brand New. Taking Back Sunday. Cursive. My Chemical Romance... and THIRTY-SIX other bands. I am joined by returning guest Jeff Martin (This Day & Age) for the most ambitious and thorough tournament yet attempted on Pretty Good Vibrations. But here's the thing -- we keep things fairly breezy throughout and don't linger on any particular band tooooo long... If you lived through this era, then we almost definitely talked about most of your favorite bands. PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
2012 Rock Albums Draft!

Pretty Good Vibrations

Play Episode Listen Later Mar 26, 2024 79:15


Returning guests David Stuart and Joe Greenetz join Dan to play a fantasy-style draft of rock albums released in 2012. Each player ends up with 5 albums on their "roster," and voting will take place over at the Facebook discussion group. PGV on Spotify: https://open.spotify.com/show/3TndELJ... PGV on Apple Podcasts: https://podcasts.apple.com/us/podcast... PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Pretty Good Vibrations
Sherwood's Favorite Songs & Stories (Part 1)

Pretty Good Vibrations

Play Episode Listen Later Feb 27, 2024 86:54


** Watch this episode on YouTube: https://youtu.be/o98SggnDr4Y ** For a special episode of Pretty Good Vibrations, I was joined by my Sherwood bandmates Mike Leibovich and Joe Greenetz. Over two episodes, we talked through our 20 favorite Sherwood songs in chronological order. We also discussed every release at an album-level, from the Sherwood EP (2004) to Some Things Never Leave You (2016). We also tell a lot of funny stories along the way! PGV on YouTube: https://www.youtube.com/@PrettyGoodVibrations PGV Shirts: prettygoodvibrations.bigcartel.com PGV Facebook Discussion Group: https://www.facebook.com/groups/802347208310205/ Dan's music licensing library: https://dankoch.net/library Email Dan: prettygoodvibrationspodcast@gmail.com IG: www.instagram.com/prettygoodvibespod/ Artwork: https://www.nickryanluevano.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Shaklee TV: Videos from Shaklee Corporation, the #1 Natural Nutrition Company in the United States.

Regional Sales Director Robby Carter brings us a very special guest speaker, new Senior Director Jessica Messinger, who's been in Shaklee for 12 years and whose business over the past year has grown significantly, both in PGV and in terms of rank advancement. Jessica explains what she has changed in her approach to her business, and how that helped create steady growth and momentum. PLUS - A very special presentation by Manager of Recognition Shaklee Marcie Johnson sharing the exciting new 2024 VIP Elite Recognition program and why you want to be VIP Elite in 2024!

Shaklee TV
Mission: Possible Monday - 1.08.24

Shaklee TV

Play Episode Listen Later Jan 8, 2024 37:35


Regional Sales Director Robby Carter brings us a very special guest speaker, new Senior Director Jessica Messinger, who's been in Shaklee for 12 years and whose business over the past year has grown significantly, both in PGV and in terms of rank advancement. Jessica explains what she has changed in her approach to her business, and how that helped create steady growth and momentum. PLUS - A very special presentation by Manager of Recognition Shaklee Marcie Johnson sharing the exciting new 2024 VIP Elite Recognition program and why you want to be VIP Elite in 2024!

Slovencem po svetu
54. PGV; Peterlinova in nagrada Nadje Maganja

Slovencem po svetu

Play Episode Listen Later Sep 10, 2023 58:10


Mladi v Argentini so pripravili že 54. Pevsko glasbeni večer (PGV). Več nam je več povedal predsednik mladinske organizacije (Slovenske fantovske zveze in Slovenske dekliške organizacije) Niko Oblak. Ustavili smo tudi ob dveh zamejskih nagradah. 12. Peterlinovo nagrado je prejel Sergij Pahor [prisluhnite pri 8:27], 14. nagrado Nadje Maganja pa je prejela Jožica Ličen [21:26]. Slišali ste tudi o pomoči zamejcev ob avgustovskih poplavah v Sloveniji [50:27].

Church & Other Drugs
267 - Pretty Good Vibrations w/Dan Koch simulcast- Screamo Tournament pt. 1

Church & Other Drugs

Play Episode Listen Later Aug 1, 2023 81:22


Greetings, Congregation! This week in a special presentation, I bring you Jed's episode with Dan Koch from the show Pretty Good Vibrations! PGV is a music-centered pod that does march madness-style bracket tournaments for different genres of music, and for this episode we have Jed's favorite...Screamo! For part 2 of the episode, go listen to Pretty Good Vibrations wherever you listen to podcasts! churchandotherdrugs@gmail.com patreon.com/churchandotherdrugs storefrontier.com/churchandotherdrugs

Rock Docs
Gimme Danger - Iggy & the Stooges with Dan Koch

Rock Docs

Play Episode Listen Later Jul 4, 2023 89:00


Today's episode is about "Gimme Danger" (Jim Jarmusch, 2016), which is about Iggy & the Stooges. It's a rags-to-more rags story. We are all at least halfway to Jarmusch-heads. And of course we all love Iggy & the Stooges. If you care about punk rock, or any kind of rock, or music, or just watching Iggy, an extremly articulate and thoughtful person, discussing the fascinating events of his life while surrounded by his laundry, this is the movie for you. Plus: Iggy roasts "Marrakesh Express"! Ron Asheton's phone call with Moe Howard! Mike Watt! And were the Stooges the second-ever jam band?   Our Very Special Guest is Dan Koch of the podcast Pretty Good Vibrations. Pretty Good Vibrations analyzes and celebrates pop and rock music and its crucial role throughout our lives. We super highly recommend PGV. Rock Docs is a Treble Media Podcast hosted by David Lizerbram & Andrew Keatts   Twitter: @RockDocsPod   Instagram: @RockDocsPod   Cover Art by N.C. Winters - check him out on Instagram at @NCWintersArt

pilot boat cast|パイロットボートキャスト - 聞けるスタートアップメディア
#426 サイバーセキュリティ、チョコD2C、副業マッチング、脳波センサーの資金調達

pilot boat cast|パイロットボートキャスト - 聞けるスタートアップメディア

Play Episode Listen Later Jul 23, 2020 10:10


【ニュースソース】 サイバーセキュリティ事業を展開するエーアイセキュリティラボ、独立系ベンチャーキャピタル ANRI から資金調達 https://www.aeyesec.jp/wp-content/uploads/2020/07/pr_seed_anri_20200713.pdf 「ユーグレナ・サステナブル・ベンチャーズ」を立ち上げ、スタートアップへの投資を加速|株式会社ユーグレナのプレスリリース https://prtimes.jp/main/html/rd/p/000000117.000036462.html 日本最大級の副業マッチングサービス「シューマツワーカー」、約4億円の資金調達を実施|株式会社シューマツワーカーのプレスリリース https://prtimes.jp/main/html/rd/p/000000037.000027073.html 阪大発ベンチャー「PGV株式会社」への追加投資を実行|大阪大学ベンチャーキャピタル株式会社のプレスリリース https://prtimes.jp/main/html/rd/p/000000028.000051435.html 【ぺーたろーとおぎーのスタートアップビギナーズキャストとは】 スタートアップの資金調達情報を中心に、ニュースを紹介しています。パーソナリティはpilot boatのぺーたろーと、co-baのおぎーです。毎回10分くらいで、週3回程度更新しています。 【Twitter】 @jumpei_notomi @coba_ebisu

anri pgv
ThinkTech Hawaii
Will PGV operate by the end of the year? (Hawaii: State Of Clean Energy)

ThinkTech Hawaii

Play Episode Listen Later Nov 6, 2019 32:00


Like what you see? Please give generously. http://www.thinktechhawaii.com Indeed, the end of the year is fast upon us.. Richard Ha, who has followed energy closely on the Big Island, will discuss the status of PGV's efforts to resume operations after the eruption, and whether that can be accomplehd by the end of the year, if at all. The host for this episode is Jay Fidell. The guest for this episode is Richard Ha.

ThinkTech Hawaii
Hydrogen in the Big Island (Hawaii: State Of Clean Energy)

ThinkTech Hawaii

Play Episode Listen Later Oct 3, 2019 34:36


Like what you see? Please give generously. http://www.thinktechhawaii.com There are great prospects about getting hydrogen from geothermal. Richard Ha will discuss his views about hydrogen for clean energy in the Big Island, including the possibilities of getting it from the geothermal at PGV.The host for this episode is Jay Fidell. The guest for this episode is Richard Ha.

ThinkTech Hawaii
Hot Topics Abound (Energy 808: The Cutting Edge)

ThinkTech Hawaii

Play Episode Listen Later Jun 3, 2019 32:26


Like what you see? Please give generously. http://www.thinktechhawaii.com Energy in Hawaii. HISC decision on Hu Honua, PGV developments, PBR phase 2 The host for this episode is Jay Fidell.

Painless Podcast
THE FADEAWAY Ep 7 - Stephen Bardo(BTN / Point Guard Vision)

Painless Podcast

Play Episode Listen Later Oct 19, 2017 66:29


The FadeAway with Deon Thomas and Eric Schmidt - Episode 7 Stephen Bardo, Analyst, Big Ten Network / Founder, Point Guard Vision College basketball has uncertainty surrounding it, with the FBI indicting a handful of assistant coaches and a shoe executive. Plus, Louisville’s Rick Pitino has been placed on administrative leave, essentially ending his tenure as head coach. Current Big Ten Network analyst, and former Flyin’ Illini, Stephen Bardo joins Deon and Eric to discuss what’s next for the NCAA, and will there be another shoe to drop. Plus, hear about the worst thing Stephen heard about when he was being recruited. In addition to Stephen’s media work, he runs “Point Guard Vision,” which helps student-athletes and their parents maximize the sports experience. Learn more about Stephen and PGV by visiting www.stephenbardo.com. The FadeAway is hosted by Deon Thomas and Eric Schmidt. Deon does TV studio work for the Big Ten Network and radio color analysis for Fighting Illini Men’s Basketball. Eric can be seen on the Comcast “Game of the Week,” and other sports and entertainment segments, for Comcast in Chicago. Keep in touch with the FadeAway on the following social media channels: Facebook – www.facebook.com/TheFadeAwayDeonEric Twitter – www.twitter.com/TheFadeAwayChi Instagram – www.instagram.com/thefadeawaychi Thanks to Marty Casey for our music. His debut solo album, The Ground You Walk On, is available now on iTunes at www.smarturl.it/MartyCasey. You can also find it on Spotify, Amazon Music, and Google Play. And big thanks to Chris Hartweg and Painless Networking for making us a part of the Painless Podcast Network! Visit the ALL NEW www.painless.network for more. Activate your free account today and #GetConnected.

Diamond Factory
14 3 10 CORP Jordan Gould Comp Plan

Diamond Factory

Play Episode Listen Later Jul 2, 2015 66:09


Jordan Gould Thomas gets down with the Compensation Plan! Jordan is going to help clear up confusion with some of the toughest aspects of how you get paid!! Whether you just hit Star or Silver, this is a great call for you! What we’re going to chat about in this Young Living Business Training: 1. Difference between Enroller & Sponsor. 2. Silver Generations, how they work. 3. What all those itemized lines mean on your paycheck! 4. Do you put in 50 PV or 100 PV to get paid? 5. What legs & levels are. 6. PGV, OGV, PV … say what?!?!??!?! Join us for the Monday Night Calls! Every week we have guests that are industry experts, successful entrepreneurs, and Corporate staff. This Young Living Business Training is free to anyone who is looking to build a business, please share with your teams. To get more training, visit http://oursimpletraining.com.

Fakultät für Geowissenschaften - Digitale Hochschulschriften der LMU
Source-dependent variations of M7 earthquakes in the Los Angeles Basin

Fakultät für Geowissenschaften - Digitale Hochschulschriften der LMU

Play Episode Listen Later Oct 15, 2007


Deterministic earthquake scenario simulations are playing an increasingly important role in seismic hazard and risk estimation. The numerical calculation of the complete 3D wavefield in the observed frequency band for a seismically active basin remains a computationally expensive task. This expense restricts seismologists either to calculating source models with homogeneous media (e.g., Gallovic and Brokesoová, 2004, 2007a,b), or to calculating single source scenario in 3D media (e.g., Olsen and Archuleta, 1996; Olsen, 2000; Ewald et al., 2006) while the complex effects of the media and the source on the ground motion are getting more and more attention. At the same time, with the development of the instrument, ground rotation introduced by an earthquake becomes a more and more important topic. Our aim is to provide a tool with which we can calculate a large number of different finite-source scenarios for a particular fault or fault system located in a 3D structure which will enable us to estimate ground motion (translation and rotation) variations due to source and 3D structure. In order to avoid having to run numerical expensive 3D code for each kinematic source scenario we propose the concept of “numerical Green’s functions” (NGF): a large seismic fault is divided into sub-faults of appropriate size for which synthetic Green’s functions at the surface of the seismically active area are calculated and stored. Consequently, ground motions from arbitrary kinematic sources can be simulated for the whole fault or parts of it by superposition. To demonstrate the functionalities of the method a strike-slip NGF data base was calculated for a simplified vertical model of the Newport-Inglewood fault in the Los Angeles basin. As a first example, we use the data base to estimate variations of surface ground motion (e.g., peak ground velocity (PGV)) due to hypocentre location for a given final slip distribution. The results show a complex behavior, with dependence of absolute PGV and its variation on asperity location, directivity effect and local under-surface structure. Hypocentral depth may affect peak ground velocity in a positive or negative way depending on the distance from the fault and the receiver location with respect to basin structure. Finite-fault source inversions reveal the spatial complexity of earthquake slip over the fault plane. In this study, several possible earthquake scenarios of Mw 7.0 are simulated with different quasi-dynamic finite source models for the Newport-Inglewood fault in the Los Angeles basin. We investigate the effects of the various slip histories on peak ground velocities and the related variations in ground motion prediction for our study area. The results confirm that the fault perpendicular components of motion are dominated by directivity effects while the fault parallel component is influenced both by the slip distribution and the basin structure. There are theoretical considerations suggesting that observations/calculations of the rotation part of earthquake-induced ground motions may provide additional information for earthquake risk hazard analysis after reports on rotational effects on structures (like twisting of tombstones or statues). For the first time, we carry out a systematic study of earthquake scenario simulations in 3D media with a specific focus on the rotational part of the motions. We simulate several M7 earthquakes with various hypocentre locations and slip histories on the Newport-Inglewood fault embedded in the 3D Los Angeles Basin. We investigate source and basin structure effects on the rotational components of ground motion (e.g., peak ground rotation rates and their variation, horizontal gradients) and compare with the effects on translations. Igel et al. (2005) shows a similarity of the observed waveforms between transverse acceleration and the vertical rotation rate in the teleseismic range benefiting from the recently developed ring laser instruments. The vertical rotation rate is found to be surprisingly similar to the horizontal translations in waveform which is explained with the plane wave propagation in the global range. That condition could not be hold any more in the near-field range, but some information could be extracted from the comparison between the translations and the rotation rate. As a final application, we investigate the source-dependent variations on rotational ground motions and compare with the results for translations. The thesis is structured as follows: Chapter 1: An insight into the present standard procedures carried out in the Seismic Hazard Assessment (SHA) is shown and then the different methodologies for predicting ground motions are described and compared, which are working individually or cooperate with each other. In recent years, one of those methods – deterministic calculations have been used widely and its consumption both in terms of CPU time and memory motivated the development of one new tool. We name that tool Numerical Green’s Function (NGF) method. Chapter 2: An introduction to the different solutions of the wave propagation is given and the state-of-the-art technologies are described. We will introduce in detail the techniques adopted. We show how to implement the source, how to solve the wave propagation problem, and how to efficiently absorb the energies outgoing from the working area, or reflect them at the free surface boundary. To correctly account for the rupture process, which has been found to be the most important contributor to the ground motion in the near-source region, different tools are developed which can be divided into two groups: kinematic description and dynamic description of the source. These two descriptions are briefly compared. Then we focus on the “quasi-dynamic” method developed by Guatteri et al. (2004) which combines, to some extent, the two different approaches. This method is used to provide us the rupture processes we will consider. Chapter 3: Green’s function stands for the response on the surface due to an impulse dislocation at the source. A large earthquake rupture can be represented with a group of impulse dislocations, and thus the ground motion on the surface can be achieved by the superposition of its Green’s functions. In this chapter, we follow the representation theorem published in Aki and Richards (2002) to give the theoretical basis of that method and briefly describe the two groups of that method: composite method and integral method. Finally we introduce our new method – Numerical Green’s Function, present the basic equations and analyze its relationship with the representation theorem and empirical Green’s function method. Chapter 4: Discretization of the fault plane into elements and assumption the source parameters identical inside each element will introduce errors in the calculated seismic motions and these errors are expected to depend on some few parameters such as the fault geometry, the rupture velocity, the sub-fault size, the cut-off frequency for low-pass filtering the ground motions, the directivity effect, etc.. In this chapter we design a hypothetic velocity structure and investigate how the errors introduced by the fault discretization will change with those parameters. The results are considered to provide some clues for our next step – selecting a seismic active fault and discretizing it into pieces with optimal sizes for which the Green’s functions will be calculated and stored. Chapter 5: The working area of this study, the Newport Inglewood fault embedded in the Los Angeles basin is introduced. The Los Angeles basin is chosen as our working area because of the high seismicity and that the most reliable information about the subsurface structure could be achieved. One active fault, the Newport-Inglewood fault inside this region is considered as a possible place where an M7.4 earthquake could happen in the future decades. Also its near vertical straight fault plane facilitates the implementation of this fault into the finite difference method. After choosing the fault and velocity structure, we re-address the optimal size of sub-fault by simulating a few M7 earthquakes and investigate the peak ground velocity and the waveform difference introduced by the different discretizations. The importance of the directivity effect on the ground motion in the near-source region has been recognized and is one of the main targets of the next generation of the attenuation relationship. A brief introduction to the physics of wave propagation is given in order to make the following discussions and illustrations of our results understandable for readers without previous knowledge. We analyze the different directivity effect supposed to happen between different component, or different kinds of motion (translation and rotation). Chapter 6: This chapter addresses the problem of the variations of surface ground motion (e.g., peak ground velocity) due to hypocentre location for a given final slip distribution. A complex behavior about the dependence of absolute PGV and its variation on asperity location, directivity effect and local structure is presented. Hypocentral depth may affect PGV in a positive or negative way depending on the distance from the fault and the location with respect to the basin structure. The directivity effect is found to control the seismic motion generation for a specific final slip distribution. Chapter 7: Inversions of the spatial and temporal evolution of earthquake slip on fault planes provide compelling evidence that fault displacement is spatially variable at all resolvable scales. Investigations of strong ground motion also indicate the spatial variability of the rupture velocity. This source physics complexity appeals for thorough description of the source process when calculating seismic motion. The method developed before hand allows efficient simulation of arbitrary slip histories. In this chapter, we investigate how the various slip histories affect peak ground velocities and the related variations in ground motion prediction for our study area. The fault perpendicular components of motion are confirmed to be dominated by directivity effects while the fault parallel component is influenced both by the slip distribution and the basin structure. Chapter 8: The rotational motions excited by earthquakes are believed to be capable of providing more information for the aim of earthquake hazard analysis. But to the present time, those information are hard to be acquired. The first reason is that the spacing of the accelerograph recording sites is too large to get the indirect rotational motion measurement from the accelerograph recordings. The second reason is that the small amplitude of the rotational motion is beyond the recording capability of the present instruments. At the present time, the answers lie in the numerical simulation. In this section, for an M7.0 earthquake which is considered to happen on the Newport-Inglewood fault embedded in the Los Angeles basin, different parameters responsible for the ground rotation variation, like the hypocentre location, directivity effect and slip history, are systematically investigated. In the teleseismic range where plane wave assumption can be made, Igel et al. (2005) investigates the relationship between the translation and the rotation in terms of the amplitude ratio and waveform similarity. In this section, we find the waveform similarity between one horizontal acceleration and the vertical rotation rate even in the near-source region. We also calculate the amplitude ratio between the acceleration and the rotation rate and compare the results with the medium properties. That ratio is found to be somehow correlative to the basin depth. Chapter 9: The most important results in this work are briefly summarized. Future promising prospectives are also described. Appendix A: The individual peak ground velocity distributions corresponding to the varying hypocentres of the grid presented in chapter 6 are presented as a table for better illustration in case of interest. Three components of velocity and rotation rates are summarized here. Appendix B: The peak ground velocity distributions are grouped into different tables corresponding to the varying slip histories (chapter 7). Three components of velocity and rotation rate are summarized here.

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