Siemens Digital Industry Software - Design and simulation software / CAD

Siemens PLM Software has announced a computer revolution in technology of analysis of finite elements (UGLY). Using the available hardware commercially, the current version of production of the software NX Nastran of the company allowed to resolve a problem of structural analysis with 500 million equations ‘virtually overnight'. The analysis carried out to simulate the behaviour of all a structure of wing of aeroplane in a test of curvature. The resultant problem, with 500 million equations, completed of successful form in less than 18 hours and beat the record previous of Siemens PLM Software, that also was established by NX Nastran for a similar problem.

To way of comparative example, a structural analysis of the modelado of the body inside a car with elements of cover, could resolve with some 100 million equations. To do products very sophisticated require models of finite elements very detailed to attain the necessary fidelity that guarantee his quality and hygiene. The simulation of the test of curvature of the wing is an especially important component in the virtual development of the product in the manufacture of aeroplanes and the 18 hours of start to end, provide a virtually immediate solution. Like result, the processes of work can carry out without interruptions. These problems were considered impossible does few years, so much from a numerical precision as from a point of view of computer complexity. Today it can predecir with hygiene that the solution of a problem of one million equations will be feasible in the future. And with the capacity showed of NX Nastran to solve these so long problems, imagine how of fast can solve the problems of analysis more typical with which can find each day, in a big variety of industries.

The UGLY model resolved by NX Nastran consisted in one hundred million networks together with roughly 98 million coverage and 49 million solid elements. The problem of resultant finite elements composed of 500 million equations and had more than 600 million global degrees of freedom when it executed a linear static analysis with an alone condition of load.