Decohesion at multiple ®ber interfaces of elastic ®ber reinforced composites is modeled by the Vo... more Decohesion at multiple ®ber interfaces of elastic ®ber reinforced composites is modeled by the Voronoi cell ®nite element model (VCFEM) in this paper. Interfacial debonding is accommodated by cohesive zone models, in which normal and tangential springs tractions are expressed in terms of interfacial separation. Model simulations are compared with results from experiments using cruciform specimens, of single and multiple ®ber polymer-matrix composites. An inverse problem is solved to calibrate the cohesive zone parameters. Debonding at ®ber-matrix interfaces is simulated for dierent architectures, volume fractions and boundary conditions, to understand the in¯uence of microstructural morphology and boundary conditions on the decohesion process.
Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical... more Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical method was followed to find flow characteristics, like flow rate, exit gradient that are to be determined for seepage through a uniform and homogeneous soil. The finite element program, SEEP/W was introduced to analyze flow characteristics of a sheet pile wall a homogeneous soil. Extensive analyses were performed for different conditions, including soil layer thickness, soil hydraulic conductivity and sheet pile wall depth. The flow rate and exit gradient were determined for each condition analyzed. The analysis can help a designer to get solutions to the seepage problem. The results were depicted in simple charts. The method was verified by comparing the results with those obtained from SEEP/W program, and good agreement was noted.
Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical... more Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical method was followed to find flow characteristics, like flow rate, exit gradient that are to be determined for seepage through a uniform and homogeneous soil. The finite element program, SEEP/W was introduced to analyze flow characteristics of a sheet pile wall a homogeneous soil. Extensive analyses were performed for different conditions, including soil layer thickness, soil hydraulic conductivity and sheet pile wall depth. The flow rate and exit gradient were determined for each condition analyzed. The analysis can help a designer to get solutions to the seepage problem. The results were depicted in simple charts. The method was verified by comparing the results with those obtained from SEEP/W program, and good agreement was noted.
Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical... more Department of Civil Engineering, Haldia Institute of Technology, West Bengal, India An analytical method was followed to find flow characteristics, like flow rate, exit gradient that are to be determined for seepage through a uniform and homogeneous soil. The finite element program, SEEP/W was introduced to analyze flow characteristics of a sheet pile wall a homogeneous soil. Extensive analyses were performed for different conditions, including soil layer thickness, soil hydraulic conductivity and sheet pile wall depth. The flow rate and exit gradient were determined for each condition analyzed. The analysis can help a designer to get solutions to the seepage problem. The results were depicted in simple charts. The method was verified by comparing the results with those obtained from SEEP/W program, and good agreement was noted.
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