Search Results for "nurbs"
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Showing 42 open source projects for "nurbs"
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CadQuery
A python parametric CAD scripting framework based on OCCT
...This includes many standard libraries and IDEs. CadQuery's CAD kernel Open CASCADE Technology (OCCT) is much more powerful than the CGAL used by OpenSCAD. Features supported natively by OCCT include NURBS, splines, surface sewing, STL repair, STEP import/export, and other complex operations. -
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Ayam is a free 3D modelling environment for the RenderMan interface.
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gl-fs
File System code based on NURBS/encryption
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FreeCAD
a parametric 3D CAD modeler
This is an official mirror of FreeCAD. Code and release files are primarily hosted on https://github.com/FreeCAD/FreeCAD and mirrored here. FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM, aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and... -
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GeomSS is a geometry modeling and scripting system in Java. Write scripts that create and analyze complex geometry including NURBS curves and surfaces. This is especially useful for tasks that must be repeated with small or parametric variations.
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DarkRadiant
Cross-Platform Level Editor for Doom3 and The Dark Mod
Project has been moved to https://github.com/codereader/DarkRadiant! DarkRadiant is an overhauled version of GTKRadiant designed for use with The Dark Mod stealth game (https://www.thedarkmod.com), a Thief-inspired game making use of the idTech4 engine. DarkRadiant is capable of editing maps in The Dark Mod, Doom 3, Quake 4 and XreaL. -
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VTK, NURBS toolbox, matlib
Examples for VTK, C++ NURBS toolbox, C++ matrix template
Codes for the book “Integration of CAD and FEA: Basic Methods and Software Development”. The codes included are examples of using VTK, C++ codes based on the NURBS book, and a C++ matrix template for users familiar with MATLAB. -
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NLIGA
Open source Matlab code for nonlinear isogeometric analysis
A unified framework, NLIGA (Non-Linear Isogeometric Analysis), is developed for mainly solving two and three-dimensional nonlinear problems on the MATLAB platform by using isogeometric analysis (IGA). Nonlinear hyperelastic and elastoplastic materials are primarily considered at this stage. Newton-Raphson method is used to solve the nonlinear governing equations. A series of benchmark examples are performed to validate the procedures. The visualization procedures are also developed to... -
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nligaStruct
Isogeometric structural analysis with Bézier extraction
nligaStruct is an extension of NLIGA in aspect of isogeometric structural analysis. A framework for Bézier extraction of T-spline and NURBS is embedded in the simulation pipeline. 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). The convergence behaviors of these two assumptions for both plate and shell are thoroughly studied and compared. Three types of hyperelastic materials, including St. ... -
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GroIMP
Growth-grammar related Interactive Modelling Platform
Important: Groimp migrates to Gitlab. You can find the latest code at "https://gitlab.com/grogra/groimp/". The version on Sourceforge will not be updated anymore. The modelling platform GroIMP is designed as an integrated platform which incorporates modelling, visualisation and interaction. It exhibits several features which makes itself suitable for the field of biological or ALife modelling: The “modelling backbone” consists in the language XL. It is fully integrated, e.g., the... -
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IGA PEH
Isogeometric Analysis (IGA) of Piezoelectric Energy Harvesters (PEH)
Isogeometric Analysis (IGA) is a modification of the Finite Element Method (FEM), which uses Non-Uniform Rational B-Splines (NURBS) as shape functions. With NURBS in the Kirchhoff-Love plate theory framework, the geometry is precisely represented, and the second-order derivatives appearing in its weak form can be efficiently approximated. In this work, we analyze piezoelectric energy harvesters (PEH) with the IGA, considering the Kirchhoff-Love plate theory. -
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T-SPLINE
A T-spline object oriented package in C++
T-spline is a new approach to define freeform surfaces with relatively less control points than NURBS and is able to represent a model using a single surface without joining errors. Whereas, the complexity of T-spline data models leads numerous difficulties in its programming, which hinders the research and development of T-spline technologies. Here, the T-SPLINE kernel gives a set of redesigned data models which have much more understanding conveniences to both human and computer. ... -
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ISSIGraph
Experimental surface editor prototype
A cross-platform software tool for editing NURBS and Bezier surfaces in OpenGL, providing a new and easy modelling technique. Built-in 3D basic editor schema with all custom and professional functionalities through wxWidgets. -
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ArchNURBS
NURBS-based elastic and limit analysis of masonry arches in MATLAB
...A comprehensive descritpion of ArchNURBS is given in "ArchNURBS: NURBS-Based Tool for the Structural Safety Assessment of Masonry Arches in MATLAB", A. Chiozzi, M. Malagu', A. Tralli and A.Cazzani, J. Comput. Civil Eng., 2015. (http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29CP.1943-5487.0000481) ArchNURBS has been developed thanks to a collaboration between the University of Ferrara (Italy) and the University of Cagliar -
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igafem
Open source 3D Matlab Isogeometric Analysis Code
Isogeometric analysis (IGA) is a fundamental step forward in computational mechanics that offers the possibility of integrating methods for analysis into Computer Aided Design (CAD) tools and vice versa. The benefits of such an approach are evident, since the time taken from design to analysis is greatly reduced leading to large savings in cost and time for industry. The tight coupling of CAD and analysis within IGA requires knowledge from both fields and it is one of the goals of the... -
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Aqsis is a cross-platform 3D rendering solution adhering to the RenderMan standard defined by Pixar. Features include programmable shading, true displacements, 3D depth-of-field, motion blur, NURBS, subdivision surfaces, CSG, procedural plugins and m
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jgeom
Support for jgeom, the java geometry graphics library using NURBS
jgeom has been republished here under an LGPL license, with permission of the original author. Bundled binary libraries are also include Java3D. This is a widely used library and stable. More documentation, examples and information to follow! -
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glob
OpenGL 3D Mesh generating library
GLOB allows OpenGL programmers to create a variety of 3D meshes ranging from spheres, cubes and cyliders to NURBS and extrusions. GLOB compiles under Windows, Linux-based OSs and MAC. The library is compatible with OpenGL 4.0+ and doesn't use any deprecated features. 4 attrributes: 4D color, 3D normal, 3D position and 2D texture coordinate are stored per vertex in VAO (Vertex Array Objects). GLOB doesn't do any rendering to the screen and only builds the attributes for the mesh. ... -
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igabem
Isogeometric boundary element analysis with matlab
...The main idea is that instead of using conventional Lagrangian polynomials to discretise the unknown fields and geometry (using the isoparametric concept), the basis functions that are used in Computer Aided Design (CAD) are used instead. Most commonly these take the form of Non-Uniform Rational B-Splines (NURBS), but more recent developments such as T-splines are presenting distinct advantages over NURBS. -
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Isogeometric FEM with matlab
Matlab code for conducting isogeometric analysis using NURBS
...The present code uses Non-Uniform Rational B-Splines but it should be noted that the CAGD community is making headway towards other descriptions of the geometry, overcoming the limitations of NURBS such as lack of water-tightness. The code also illustrates enrichment through the eXtended Finite Element Method framework where the basis functions can be "enriched" to capture discontinuities or sharp gradients in the solution. -
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Domino NURBS is a C library to work with Non Uniform Rational B-splines (NURBS). We are still working to deliver a public version. If you want a version before the public release, please contact to the developers.
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This Sprite Game Framework Engine is a collection of extremely useful source code files that you can use to make a professional game rapidly and easily. It also contains extension feature, function for HGE.
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Create 3D models easily in Win95,NT,XP,Vista,Win7 on all desktops, laptops and even netbooks without any 3D hardware acceleration. Supports 3DS, DXF, WRL, POV, ASC, spreadsheet & compressed files, extrude/sweep, mesh edit, parametric NURBS curves ...
