#T SPLINES V4 SERIAL NUMBER PRODUCT KEY FREE#
Finally, complete source codes and the data obtained from numerical examples are fully provided and free to access. The postprocessing is self-contained and implemented by tessellation of Bézier elements. The numerical results are validated by comparing with analytical solutions and that obtained from commercial software.
#T SPLINES V4 SERIAL NUMBER PRODUCT KEY SERIES#
A series of popular benchmark examples and their geometrical models are demonstrated in the package. Venant-Kirchhoff, incompressible neo-Hookean and compressible neo-Hookean, are employed in the large deformation of Kirchhoff-Love shells. Three types of hyperelastic materials, including St. The discrete formulations for large deformation of Kirchhoff-Love shells considering geometrical and material nonlinearity are detailedly derived and carefully implemented. The convergence behaviors of these two assumptions for both plate and shell are thoroughly studied and compared. Both Reissner-Mindlin and Kirchhoff-Love assumptions are considered in the case of static bending and free vibration analysis of thin-walled structures (plates and shells). A framework for Bézier extraction of T-spline and NURBS is embedded in the simulation pipeline. nligaStruct is an extension of NLIGA in aspect of isogeometric structural analysis. We present an open Octave/Matlab package nligaStruct, for linear and nonlinear isogeometric analysis of thin-walled structures. In general, the proposed method provides a possibility to design, analyze, and optimize engineering structures in a uniform model, which has the potential to improve design efficiency and reduce the cost of product development. In addition, through performing local refinement, we can easily achieve multiresolution optimization and infill optimization within the T-splines based framework. The optimized results are free of checkerboard patterns without additional stabilization and filtering techniques due to the properties of T-splines, which also simplified the post-processing. Several numerical examples show that the proposed approach leads to a coherent workflow to handle design problems of complicated structures. Therefore, the T-spline basis functions applied for geometry description and calculation of structural response are simultaneously introduced to represent the density distribution. The coefficients correlated with control points are directly used as design variables.
The arbitrarily shaped design domains, directly obtained from CAD, are represented by a single T-spline surface which overcomes the topological limitations of Non-Uniform Rational B-Spline (NURBS). In this paper, a new isogeometric topology optimization (ITO) method is proposed by using T-splines based isogeometric analysis (IGA).
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