Stiffness

Assemble Linear Stiffness Matrix for frames.for using this you assign Coordinates of nodes (NC) and define connectivity between the nodes in your finite elements models. Platforms: Matlab

assemble the stiffness matrix according to the Co-Rotational geometry transformation. For using this stiffness matrix, the iteration procedure as load control or displacement control should be used. Platforms: Matlab

This code demonstrates vectorization concepts from a report by Talal Rahman and Jan ValdmanonFast MATLAB assembly of FEM matrices in 2D and 3D: nodal elementsTechnical report is available athttp://www.mis.mpg.de/publications/other-s...eport-1111.htmlTo run the code, call"start_assembly_P1_3D"... Platforms: Matlab

Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237 Platforms: Matlab

Calculate the dynamic stiffness using spectral element for a beam in space Platforms: Matlab

Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237 Platforms: Matlab

Expedite the computationally intensive part of the mechanical analysis stage of a coupled electro-mechanical FEA of an electrostatically actuated micro-electro-mechanical (MEMS) device by using d-deDUparford-deDt to:1. Compute Element Stiffness2. Assemble global stiffness matrix (K) from element... Platforms: Matlab

A Monte-Carlo simulation meant to calculate the position of micronsized particles in an optical trap (seen as an harmonic potential). It returns the position in meters. Bead radius, corner frequency/ trapping stiffness, sampling frequency and number of sampled points can be varied. It is small... Platforms: Matlab

The plane stress problem i.e a plate under uniform tension at its edges is solved. Plate is dicretized using isoparametric Q4 elements. Pre-processing is done using a standard FEM software. 2nd order Gaussian integration is used to get stiffness matrix. Results obtained are compared with standard... Platforms: Matlab

Given assembeled mass, stiffness matrices and damping matrices, external load vector of n degree's of freedom, response of the system to the external load is calculated using Wilson tita step-by-step integration method. Time step, tita value can be changed accordingly to the problem. Platforms: Matlab

SMDode Spring-Mass-Damper system behavior analysis for given Mass, Damping and Stiffness values.% The system's damper has non-linear properties expressed with D*|u'|*u'% e.g., abs(velocity)*velocity% Solver ode15s is employed; yet, other solvers, viz. ODE15S, ODE23S, ODE23T,% ODE23TB, ODE45,... Platforms: Matlab

The stiffness method is used for matrix analysis of structures. this program is useful for analysis of Planar trusses, Spacetrusses, Beams, Planar frames and Space frames.End release of members in frame elements and support displacements can also be applied by this program. Platforms: Matlab

A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring. Platforms: Mac

>ErgoSense analyses how you use your computer and recognizes when eyestrain or RSI are more likely to occur. You will be presented with a series of 3D-animated ergonomic exercises which you can follow, delay or dismiss. ErgoSense has no learning curve, does not intrude on your work & dispenses... Platforms: Windows, Windows CE

Use GoDiagram to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. GoDiagram includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming,... Platforms: Windows

The Problem:If you work at a computer, there is a good chance you will eventually suffer from Carpal Tunnel Syndrome, along with back pain, stiff muscles, tight joints, tension and stress. Every day millions of Americans feel the aches and pains brought on by long hours sitting at a desk and... Platforms: Mac

Use JGo to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. JGo includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming, selection,... Platforms: Windows, Mac, Java, Linux, Unix

The Frame3D library is a complete analysis library for solving structural problems utilizing a powerful and robust analysis engine, which in combination with the reach analysis and element features can efficiently solve large scale static, dynamic, linear and non-linear problems. It has been... Platforms: Windows

The X-Script Generator is an abstract syntax interpreter programmable using custom syntax rules specified by separate xml inputs or by specially tagged .NET assemblies. It is used to generate custom visual interfaces for user to construct xml "scripts" having structure equivalent to an extensible... Platforms: Windows

FRAME3DD is a program for the static and dynamic structural analysis of two- and three-dimensional frames and trusses with elastic and geometric stiffness. Features . Comprehensive documentation with numerous example files . Multiple load cases in each analysis with gravity loading,... Platforms: *nix