NASA Technical Reports Server (NTRS) : CAVE3 pdf

NASA Technical Reports Server (NTRS) : CAVE3

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The method of solution is a hybrid analytical numerical technique which utilizes eigenvalues and eigenvectors. The method is inherently stable, permitting large time steps even with the best of conductors with the finest of mesh sizes which can provide a factor of five reduction in machine time compared to conventional explicit finite difference methods when structures with small time constants are analyzed over long time periods. This code will find utility in analyzing hypersonic missile and aircraft structures which fall naturally into this class. The code is a completely general one in that problems involving any geometry, boundary conditions and materials can be analyzed. This is made possible by requiring the user to establish the thermal network conductances between nodes. Dynamic storage allocation is used to minimize core storage requirements. This report is primarily a user’s manual for CAVE3 code. Input and output formats are presented and explained.

Sample problems are included which illustrate the usage of the code as well as establish the validity and accuracy of the method

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 2/1/1978
• Year: 1978
• Book Topics/Themes: NASA Technical Reports Server (NTRS), COMPUTER PROGRAMMING, EIGENVALUES, EIGENVECTORS, HEAT TRANSFER, TRANSIENT HEATING, AERODYNAMIC HEATING, CDC 6000 SERIES COMPUTERS, DIGITAL COMPUTERS, FORTRAN, Palmieri, J. V., Rathjen, K. A

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