Femap is a CAD-independent pre- and postprocessor from Siemens PLM Software for finite element analysis (FEA). This means that Femap acts as the link between the user and the solver—the core engine that performs calculations in engineering analysis tasks. Femap, integrated with the NX Nastran solver, runs on Microsoft Windows and is part of the Velocity Series product line. It provides an independent, full-featured environment for modeling, simulating, and evaluating product performance analysis results. Femap, powered
by the NX Nastran solver, enables you to: analyze the dynamics and strength of structures, machines, and buildings; solve transient nonlinear spatial problems; solve problems in the mechanics of composites and composite structures; and solve structural and process mechanics problems; conduct heat transfer analysis; solve problems in fluid and gas mechanics; and solve related multidisciplinary problems.
The Femap core modules with NX Nastran enable basic engineering analysis, including linear static analysis, free vibration mode and frequency analysis, structural buckling analysis, steady-state and transient heat transfer analysis, and basic nonlinear analysis capabilities. Basic nonlinear analysis includes consideration of geometric (large deformations, displacements, and follow-up loads) and physical (nonlinear materials—plasticity, creep, and viscoelasticity) nonlinearities, as well as consideration of contact interactions at small displacements—linear contact, and contact with continuity conditions. The Advanced Nonlinear module is used to analyze large nonlinearities (including [Elastomer|elastomers] deformation and consideration of spatial contact interaction), combine various types of nonlinearities, and model and calculate fast nonlinear dynamic processes using an explicit integration scheme. Femap includes three additional modules: Femap Flow Solver, which enables fluid and gas dynamics analysis; Femap Advanced Thermal Solver, which provides a range of capabilities for heat and mass transfer analysis, including modeling fluid channels, coupled convection, and analyzing fluid and gas flows; and Femap Thermal Solver, a solution for temperature analysis and heat transfer analysis. Femap is used by design professionals to model complex structures, systems, and processes, such as satellites, aircraft, military electronics, heavy construction equipment, cranes, marine transport, and process equipment. Femap provides solutions to complex engineering analysis problems in various industries, such as aerospace, helicopter manufacturing, defense, and shipbuilding.
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