ImageNoran Engineering, Westminster, CA, has released NEiNastran V9 finite element analysis (FEA) software for engineering analysis and simulation. Performance enhancements include added support for model input files over 10 million lines in size, an enhanced Lanczos eigensolver, and improved performance for models with composite laminates and large numbers of plies where individual ply results are requested. The software also features new parabolic shell elements, automated super-element analysis, automated surface contact and weld generation, 3D composites using solid elements, vibration fatigue analysis, combined qualitative/quantitative result assessment, and an enhanced Nastran Editor that includes a fully automated HTML report generator, shear flow plots, assignment plots, and an enhanced X-Y plotting interface. The software is available for Windows, Linux, and UNIX platforms.

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