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  1. RoopinderTara

    Baltimore Bridge collapse after ship collision

    I'm trying to plot the precise path on CAD of the MV Dali in her last mile of so to show it be consistent with the path of a ship with a rudder locked in position, possibly a hard left. I can get approximates location from videos online but does anybody have the AIS data the videos were based...
  2. RoopinderTara

    Baltimore Bridge collapse after ship collision

    The FBI boarded MV Dali this morning, opening an investigation and preempting the NTSB and Coast Guard investigations, according the the Washington Post. The FBI is being tightlipped about what they are looking for but the Post imagines it to be about the crew setting sail knowing there were...
  3. RoopinderTara

    Baltimore Bridge collapse after ship collision

    Here's a call for action on bridge protection, mainly bigger dolphins and more of them, an article by our author and resident civil engineer/bridge inspector, Joshua Sadlock. I helped with some of the writing. Let me know what you all think. Roopinder Tara Director of Content ENGINEERING.com
  4. RoopinderTara

    Baltimore Bridge collapse after ship collision

    phamENG: Can I quote you in an article? Roopinder Tara Director of Content ENGINEERING.com
  5. RoopinderTara

    Tourist submersible visting the Titanic is missing

    The OceanGate video (https://www.youtube.com/watch?v=Vi4J1LDS504) that shows the wet winding of the carbon fiber appears to have been taken down. Did anyone download it? Roopinder Tara Director of Content ENGINEERING.com
  6. RoopinderTara

    America’s Worst Nuclear Disaster Was in California. Who Knew?

    I was quite surprised to find out that the Santa Susana Field Lab, 35 miles from the center of Los Angeles, was the scene of partial core meltown in 1959. More radition was released there than Three Mile Island, over 900X according to one worst case analysis. A friend of mine, an engineer, told...
  7. RoopinderTara

    Boeing 737 Max8 Aircraft Crashes and Investigations [Part 2]

    Apparently there is a way to turn off the MCAS with a switch in the console between the pilots. Can anybody verify this with a picture? I'd like to update our article (below) with that information. From my research for the article, I found that not all pilots were informed of the MCAS or the...
  8. RoopinderTara

    Salesforce Transit Center closes due to cracked support beam

    @IRstuff: Thanks for your comment. It was an odd phrasing. Corrected. Roopinder Tara Director of Content ENGINEERING.com
  9. RoopinderTara

    Salesforce Transit Center closes due to cracked support beam

    @hpaircraft: Thanks, article correct with your input! Roopinder Tara Director of Content ENGINEERING.com
  10. RoopinderTara

    Salesforce Transit Center closes due to cracked support beam

    Read Emily Pollock's article on the Transbay Terminal on Engineering.com and let us know if we missed anything. https://www.engineering.com/BIM/ArticleID/17764/Transbay-Troubles-Cracked-Beam-Closes-Month-Old-Structure.aspx Roopinder Tara Director of Content ENGINEERING.com
  11. RoopinderTara

    Self Driving Uber Fatality - Thread II

    IRSTuff- thanks for your corrections to the article! Roopinder Tara Director of Content ENGINEERING.com
  12. RoopinderTara

    Southwest Airlines flight experiences engine explosion but makes a safe landing in Philadelphia...

    Southwest Airlines Flight 1380: an Uncontained Engine Failure? Article here https://www.engineering.com/Hardware/ArticleID/16814/Southwest-Airlines-Flight-1380-an-Uncontained-Engine-Failure.aspx. JohnRBaker quoted. Roopinder Tara Director of Content ENGINEERING.com
  13. RoopinderTara

    Southwest Airlines flight experiences engine explosion but makes a safe landing in Philadelphia...

    Most surprising to me was the passenger in window seat *was* wearing her seat belt -- and still got almost sucked out of the plane. Could it not have been "low and tight across your lap?" RIP Jennifer Riordan. Roopinder Tara Director of Content ENGINEERING.com
  14. RoopinderTara

    Self Driving Uber Fatality - Thread II

    Technology vs Humans. Engineers Seek Answers in Uber’s Fatal Self Driving Car Accident, article in Engineering.com https://www.engineering.com/Hardware/ArticleID/16756/Technology-vs-Humans-Engineers-Seek-Answers-in-Ubers-Fatal-Self-Driving-Car-Accident.aspx Roopinder Tara Director of Content...
  15. RoopinderTara

    Miami Pedestrian Bridge, Part II

    Hi, all. Our version of the story was published. Let me know what you think. Thanks to many here for their insightful comments. I have quoted a few of you in the story...
  16. RoopinderTara

    Miami Pedestrian Bridge, Part I

    Cable supported bridge collapse because no cables. Duh. What a horrible tragedy. It could it have been prevented. I am not a civil engineer, so bear with me as restate what is being discussed here, and what I have seen in reports, photos, videos and Google street view. Here is the artist's...
  17. RoopinderTara

    Looking for an expert explanation of landslides

    Hi forum, With the tragic landslides recently in Sierra Leone, our readers would like to get an knowledgeable engineer to explain soil mechanics and landslides in an article. This is outside my expertise so I was only able to gather up a little information and create a short post but hoping...
  18. RoopinderTara

    Math a rite of passage for engineers- but should it be?

    I wrote this after hearing David Cullimore speak at a Solid Edge conference. Youngest keynote speaker I've ever seen. He designs and races electric cars. He couldn't pass calculus so has no engineering degree...
  19. RoopinderTara

    The most embarrassing mistake I made doing FEA is...

    What is the dumbest mistake you've seen in FEA? I written up a few the one's I've made here: http://www.engineering.com/DesignSoftware/DesignSoftwareArticles/ArticleID/13007/Simulation6-of-the-Most-Embarrassing-Mistakes-You-Can-Make.aspx That was from my experience. I would love to do a...
  20. RoopinderTara

    Balcony Collapse in Berkley, CA

    TXStructural - thanks for your comment about "dry rot." It is a commonly used term and may not be technically correct. In regards to the article, I would have to say it is a commentary based not only on this forum but also draws upon the author's experience, which is considerable and quite...

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