FEA Simulations to Document Compliance to Common Industry and Military Standards

Expertise in Performing Finite Element Analysis to Document Compliance to Applicable Standards

A common request from our FEA consulting customers is assistance in achieving compliance with one (or more) industry and/or military technical standards, such as:

  • ASCE 43-05 Seismic Design Criteria for Structures, Systems, and Components in Nuclear Facilities
  • ASCE 4-98 Seismic Analysis of Safety-Related Nuclear Structures and Commentary
  • ASCE 7-10 Minimum Design Loads for Buildings and Other Structures
  • ASME B31.1 Power Piping
  • ASME B31.3 Process Piping
  • ASME Boiler and Pressure Vessel Code (BPVC), Section II Materials
  • ASME Boiler and Pressure Vessel Code (BPVC), Section III Rules for Construction of Nuclear Facility Components
  • ASME Boiler and Pressure Vessel Code (BPVC), Section VIII, Divisions 1, 2 and 3 Rules for Construction of Pressure Vessels
  • BS-7608 Guide to Fatigue Design and Assessment of Steel Products
  • MIL-DTL-901 Shock Tests, HI (High Impact) Shipboard Machinery, Equipment and Systems
  • MIL-HDBK-17 Composite Materials Handbook
  • MIL-STD-167 Mechanical Vibrations of Shipboard Equipment
  • MIL-STD-209 Standard for Lifting and Tiedown Provisions
  • MIL-STD-810 US Department of Defense Test Method Standard, Environmental Engineering Considerations and Laboratory Tests
  • Nuclear Regulatory Commission (NRC) Regulations, Title 10, Code of Federal Regulations (10CFR)
  • WRC 107 Local Stresses in Spherical and Cylindrical Shells Due to External Loadings
  • WRC 297 Local Stresses in Cylindrical Shells Due to External Loadings on Nozzles

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Recent FEA Consulting Projects Where Evaluation per Industry/Military Standards was Necessary

Railcar Pantograph Under Static and Dynamic Loading

The pantograph was simulated under applied static loads as well as random vibration and shock loads along multiple axes, per IEC 61373.

Transportable Radar System Simulated Under Multiple Environmental Operating Conditions

The transportable radar system assembly was evaluated under static and dynamic loading conditions including vibration and shock loading per MIL-STD-810H. Fatigue calculations were carried out for selected load cases.

Analysis of a Pressure Vessel per ASME Section VIII

The vessel was analyzed for primary loads using elastic material properties. An elastic-plastic collapse assessment and a ratcheting assessment were also performed per ASME Section VIII, Division II.

Analysis of a Dynamometer Test Stand for Railcar Chassis Hardware

The test stand assembly was analyzed for static operating loads as well as seismic response loading per ASCE 7. The scale and mass of the test stand is significant enough that analyzing for seismic loading at its install location was essential.

Analysis of Condenser Vessels per ASME Section VIII

The 2 vessels were subjected to cyclic thermal and pressure loading. An analysis of primary plus secondary stress and an ASME fatigue analysis were completed. The simulations and subsequent calculations were carried out per ASME Section VIII, Division 2.

Dynamic Analysis of a Shipboard Radar System

The radar assembly and mounting structure was evaluated under shock and harmonic response loading per MIL-S-901E and MIL-STD-167.