Roni Plachta

Sr. Structural Analysis Engineer (Robotics Division - MAXAR company) at Space Systems Loral (formerly MDA)
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Contact Information
Location
Los Angeles County, California, United States, US
Languages
  • English Full professional proficiency
  • Hebrew Full professional proficiency

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Richard Mintzlaff

I have known Roni Plachta for over 20 years and he has been our

Stuart Daley

Roni has worked with me on many complex projects, for over a decade. He is an expert with a wide range of analysis tools. He is the best in his field.

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Experience

    • Sr. Structural Analysis Engineer (Robotics Division - MAXAR company)
      • Mar 2017 - Present

      Structural Analysis Engineer working on MDA space missions robotic design. Working closely with the design team to develop solution to challenging requirements. Performing finite element methods analysis as well as classical methods with detailed stress and dynamic analysis. Supporting the program analysis needs through development phases and interacting with customers. Demonstrating compliance with customers design life requirements under a variety of operating conditions. Structural Analysis Engineer working on MDA space missions robotic design. Working closely with the design team to develop solution to challenging requirements. Performing finite element methods analysis as well as classical methods with detailed stress and dynamic analysis. Supporting the program analysis needs through development phases and interacting with customers. Demonstrating compliance with customers design life requirements under a variety of operating conditions.

    • United Kingdom
    • Architecture and Planning
    • 1 - 100 Employee
    • Sr. Structural Analyst
      • May 2015 - Mar 2017

      Structural dynamic and thermal analysis on aviation components. Generation of high-fidelity FEA models and using static and dynamic analysis under thermal and mechanical loads. Performing LCF and HCF analysis on various components of valve assemblies, demonstrating compliance with customers design life requirements under a variety of operating conditions. Performing analyses in support of product improvement initiatives, cost/weight optimization studies, qualification testing, and investigation of observed field failures. Preparing professional thermal & structural analysis reports/presentations in support of internal and external product design reviews and FAA certification. Supporting development and documentation of engineering analysis standard procedures & tools for use by all members of the Engineering Analysis group. Show less

    • United States
    • Aviation and Aerospace Component Manufacturing
    • 1 - 100 Employee
    • Sr. Structural Analyst
      • Jun 2014 - May 2015

      Structural and dynamics spacecraft analysis. Optimization of structural design for space based platforms and missions. Working with the design team in performing analyses providing solutions to a variety of structural and dynamics related technical problems. Documenting and writing analysis reports for internal and external customers. Working using industry standard loads and dynamics analysis software including NASTRAN, PATRAN, FEMAP and Ansys. Performing structural and dynamic analysis including static, nonlinear, frequency response, transient response, random response, shock response, aeroelasticity, ground and flight loads, test and model correlation, fatigue and fracture. Show less

    • United States
    • Defense and Space Manufacturing
    • 700 & Above Employee
    • Analyst Specialist
      • Nov 2006 - Mar 2014

      Generated high quality analysis on AR rocket motors and engines design assemblies. Collaborated with AR engineering offices in Sacramento, Redmond and Gainesville. Utilized static, thermo-structural, dynamic and nonlinear simulations for metallic, synthetic, elastomeric and composites materials under shock, random and transient thermal conditions. • Cleared for flight over 10 Solid Rocket Boosters (SRB) each sold for $10M, after accidental dynamic events by planning, developing structural analysis approach, modeling, executing dynamic analysis, documenting and analysis through reviews. • Passed Critical Design Review (CDR) for Orion Crew Module (CM) Attitude and Control System (ACS) engines by conducting trade studies, verifying design under loads and specifications through rigorous dynamic and thermo-structural analysis. •Verified structural integrity of AR Standard Missile ACS rocket motors design under customer loading specifications for Preliminary Design Review (PDR), Technical Interchange Meetings (TIM) and CDR through structural analysis and testing. • Planned and managed dynamic and structural analysis for AR new weapon warhead design resulting in exceptional performance under environments tested. • Modeled, analyzed and verified needed design modifications for AJ26 rocket engine to fly Orbital Science Corporation Taurus II and Antares Rockets. • Performed professional analysis for AR internal and external customers verifying design and approving drawing for production without failures and with zero analysis escapes. • Identified failure sources for given design and generated alternative solutions to improve design performance. Show less

    • United States
    • Defense and Space Manufacturing
    • 700 & Above Employee
    • Principal Analyst
      • Nov 2000 - Nov 2006

      Delivered FEA modeling, analysis and testing on APL5, STSS, SBIRS, PLUTO, VIIRS and AVALON projects. Modeled and simulated large satellite and sensor design assemblies using Pro Engineer, IDEAS and Patran. Performed static, dynamic, random vibration, harmonic, fatigue, fracture and nonlinear analysis. • Planned, modeled and optimized honeycomb and composite structure under dynamic and thermal environments based on mechanical requirements specifications resulting successful design. • Developed effective approach under limited supervision, analyzing bond interfaces with temperatures down to cryogenic levels, flexures, high strength fasteners and inserts resulting verified and tested design. • Led analysis tiger team and supervised analysts on troubled cryocooler design that was tested and flown demonstrating ability to find innovative working design solution and improve existing hardware through structural analysis. Show less

    • United Kingdom
    • Spectator Sports
    • 1 - 100 Employee
    • Chief Analyst/President
      • 1995 - Nov 2000

      AnalysisPros is an independent Finite Element Analysis Services (FEA) firm, established in 1994, dedicated to support the design and engineering community with FEA applied knowledge and access to the latest analysis solutions and technology. The company provides structural (linear and nonlinear, static and dynamic), thermal, fluid and MoldFlow analysis capabilities utilizing FEA tools. The company mission is to provide its clients with the best analysis solutions available and the highest level of support and quality possible. The company provides analysis services to almost any imaginable application. Application of the FEA methods range from traditional Aerospace, Automotive and Medical to the Entertainment and Oil industries. AnalysisPros clients include design and engineering firms that have a need for an occasional and reliable analysis services on their designs. This service is an alternative option to companies which do not have large enough volume of analysis that justifies the purchase, maintenance and dedicated personnel for doing the analysis work. It directly translates to saving in time and money by utilizing a company that has the latest FEA technology and experience readily available. By using the service, it is possible to generate a simulation of any designed structure, loaded with almost any imaginable way. Through the use of FEA tools and many years of analysis experience, the virtual testing of any design is made possible in record time. AnalysisPros supports its clients at any stage of the engineering process. The analysis service helps in evaluating feasibility of new design as well as trouble shooting failed design already in the market and finding solutions without the need to prototype and waste time and money. Show less

    • Non-profit Organizations
    • 1 - 100 Employee
    • Application Engineer
      • 1991 - 1995

      Technical staff assisting existing and prospective clients. Provided FEA solutions for variety of engineering firms with wide range of application needs. Performed benchmarks for prospective buyers interested in testing the FEA software against experimental or known results. Technical consulting for clients in a need for assistance using COSMOS/M line of products, including development of customized software and macros. Development of training material, conducting training for existing clients and assisting the marketing department. Experienced with static and dynamic analysis modules (linear and non-linear) as well as with fatigue, creep, thermal, fluid and optimization analysis. Show less

Education

  • University of Florida
    MS, Mechanical Engineering
    2008 - 2010
  • UC Santa Barbara
    Chemical and Nuclear Engineering
    1986 - 1992
  • Technion - Israel Institute of Technology
    BS, Mechanical Engineering
    1982 - 1986

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