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In this paper, computational analysis of characteristics of deformation and internal forces in the loading system due to deep foundation pit excavation is conducted by establishing two-dimensional finite element model of excavation system including subsoil, and elastic bracing diaphragm based on FEM algorithm. Through computational studies, it is shown that the location of maximum horizontal displacement...
It is an efficient technique to parallelize incomplete factorizations based on domain decomposition. In this paper, three are considered for solving the derived sparse linear systems from the meso-scale simulation of concrete, including the block Jacobi analog, the classical additive Schwarz, and the so-called factors combination method. For the grid may be of unstructured ones, the graph partitioning...
Microwave Tube Simulator Suite (MTSS) is a full-featured software package for microwave tube analysis and design. Recent developments to the MTSS in last year will be presented.
In order to describe complicated concepts, the concept of Y-N set is introduced. Firstly, the operations on Y-N sets such as union, intersection, difference and complement of Y-N sets are presented. Secondly, the definitions of image and preimage of a Y-N set under a mapping are given and the properties of the image and preimage are discussed. Finally, a category YNSet of Y-N sets is established and...
Microwave Tube Simulator Suite (MTSS) is a full-featured software package for microwave tube analysis and design. It has been developed by University of Electronic Science and Technology of China (UESTC) and validated against some helix traveling wave tubes.
The new version HFCS-E has capability to model SWS with dielectric loss rods. Some helix SWSs are simulated and results show that dielectric loss will cause resonance frequency a small falling, but not obvious difference of other parameters of helical SWS.
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