Mapped Lamina Technical Brief
Abstract: A capability to align laminate orthotropic material properties with the curvature of an element has been implemented in StressCheck. The mapping of laminate orthotropic material properties to the general curvature of a body is available as two options; Lam-Map Edge and Lam-Map Volume. Lam-Map Edge is suited for unidirectional constant thickness plies that are stacked to form a laminate. Lam-Map Volume is ideal for modeling the cut fiber orientation in injection molded parts. Mapped laminates can be assigned to hexahedral or pentahedral elements only.
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“Accurate and reliable stresses and Stress Intensity Factors are required for determination of static and residual strength and for crack growth analyses in analysis tools such as AFGROW. For some geometries, industry solutions are either insufficient or nonexistent. The geometry, applied forces, and crack shapes and dimensions must be modeled reasonably well to obtain useful engineering data. The p-version finite element software StressCheck® (ESRD, Inc., St. Louis, Missouri, USA) is used to demonstrate how accurate finite element solutions can lead to good quality engineering analysis.”