Zobrazeno 1 - 10
of 263
pro vyhledávání: '"C.V. Ramakrishnan"'
Autor:
C.V. Ramakrishnan, A. Dutta
Publikováno v:
Engineering Computations. 17:7-27
Design sensitivities of plates and shells under transient dynamic loads with constraints on displacements and stresses are likely to be highly erroneous if proper care is not taken in selecting appropriate finite element mesh and time step size to be
Publikováno v:
Finite Elements in Analysis and Design. 31:255-272
In this paper, the error estimation and adaptive strategy developed for the linear elastodynamic problem under transient dynamic loading based on the Z–Z criterion is utilized for 2D and plate bending problems. An automatic mesh generator based on
Autor:
Anjan Dutta, C.V. Ramakrishnan
Publikováno v:
Computers & Structures. 66:463-472
Design sensitivities for structures under transient dynamic loads with constraints on stresses are extremely sensitive to the proper representation of direct and adjoint load vectors in the analysis. It is shown that accuracy within acceptable limits
Autor:
Anjan Dutta, C.V. Ramakrishnan
Publikováno v:
Engineering Computations. 14:135-158
Presents a method of obtaining an optimal mesh in the finite element analysis of two‐dimensional linear elastodynamic problems under transient dynamic loading, which is based on a generalization of the Z‐Z criterion for discretization error estim
Publikováno v:
AIAA Journal. 34:1670-1677
Design sensitivities for structures under transient dynamic loads with constraints on displacement can become very erroneous when proper care is not being taken in choosing the proper finite element mesh and also in selecting the appropriate number o
Autor:
C.V. Ramakrishnan, R.N. Singh
Publikováno v:
Engineering Fracture Mechanics. 51:637-648
A procedure for characterising the stress strain rate field for fracture of creeping materials using Norton's law by finite element method has been developed. C ∗ has been found to be the characterising parameter. Time to crack initiation, tc, has
Publikováno v:
Proceedings of the Third International Conference on Engineering Computational Technology.
Autor:
K.V. John, C.V. Ramakrishnan
Publikováno v:
Engineering Computations. 7:37-47
The problem of structural optimization of trusses subject to stress and frequency constraints is considered from a practical viewpoint. Assuming that the choice of members has to be from a discrete set of available sections, the solution is attempted
Autor:
Sunil Kumar, C.V. Ramakrishnan
Publikováno v:
IPDPS
PARAM-10000 is latest of the series of High Performance Parallel Super Computers developed by India. It employs a distributed memory and message passing architectures and is built as a cluster of SMP workstations using 4-way SMP workstations from Sun
Publikováno v:
Engineering Computations; 2006, Vol. 23 Issue 1, p57-83, 27p