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Simcenter Nastran
DDAM Analysis with Femap for Pre/Post

Course Code
NXNAS410-GH
Software
Simcenter Nastran 12.0
Language
English
User Level
Intermediate
List Price
$1,100.00 (USD)
Price may not include taxes applicable to your billing region
Training Center Duration
1 Day

The DDAM Analysis with Femap for pre/post course offers training in the performance of the Dynamic Design Analysis Method using NX Nastran. DDAM is a U.S. Navy-developed analytical procedure for evaluating the design of equipment subject to shock loading. The student will learn to use the NX Nastran DDAM solution (SOL 187) through a presentation of lecture materials and the completion of example problems. The class is focused on NX Nastran and most of the material applies independently of pre- or postprocessor. However, additional material is available for demonstration of use with Femap.

WHO SHOULD ATTEND

This course is intended for finite element analysts who need to perform shock analysis per the Navy’s DDAM procedure.

PREREQUISITES

Required courses:

  • Basic understanding of finite element analysis principles, statics, solid mechanics, and basic dynamics.

PROVIDED COURSE MATERIALS
  • Student Guide
  • Activity Material
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PRIMARY COURSE TOPICS

  • Introduction to DDAM theory
  • Shock spectra calculations per NRL memorandum 1396
  • Mode selection criteria
  • Closely spaced modes
  • Methods for stress summation including the NRLSUM
  • Running and interpreting DDAM solutions in Nastran