This paper presents a new method for the manipulation of a given CAE domain in view of VR based explorations that enables engineers to interactively inspect and analyze a linear static domain. The interactions can ideally be performed in real-time in order to provide an intuitive impression of the changes to the underlying volumetric domain. We take the approach of element masking, i.e. the blending out of computations resulting from computational overhead for inner nodes, based on the inversion of the stiffness matrix. This allows us to optimize the re-simulation loop and to achieve real-time performance for strain and stress distributions with immediate visualization feedback caused by interactively changing boundary conditions. The novelty of the presented approach is a direct coupling of view dependent simulations and its close linkage to post-processing tasks. This allows engineers to also inspect the changes of the stress field inside of the volume during, e.g. cross sectioning.
Linear Static, Real-Time Finite Element Computations Based on Element Masks
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Graf, H, & Stork, A. "Linear Static, Real-Time Finite Element Computations Based on Element Masks." Proceedings of the ASME 2011 World Conference on Innovative Virtual Reality. ASME 2011 World Conference on Innovative Virtual Reality. Milan, Italy. June 27–29, 2011. pp. 87-95. ASME. https://doi.org/10.1115/WINVR2011-5501
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