Výsledky vyhledávání - Complex-variable finite element method

A virtual crack extension method for thermoelastic fracture using a complex-variable finite element method Autor Ramirez Tamayo, Daniel, Montoya, Arturo, Millwater, Harry

“…A virtual crack extension (VCE) technique using the complex-variable finite element method (ZFEM…”
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A virtual crack extension method to compute energy release rates using a complex variable finite element method Autor Millwater, H., Wagner, D., Baines, A., Montoya, A.

“…The complex-valued finite element method, ZFEM, is proposed as a new virtual crack extension method to compute the energy release rate…”
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A complex-variable finite element method-based inverse methodology to extract constitutive parameters using experimental data Autor Ramirez-Tamayo, Daniel, Soulami, Ayoub, Gupta, Varun, Restrepo, David, Montoya, Arturo, Nickerson, Ethan, Roosendaal, Timothy, Simmons, Kevin, Petrossian, Gayaneh, Millwater, Harry

“… These sensitivities were used to solve the optimization problem using an accurate, efficient, gradient-based method, and were computed using the complex-variable finite element method, ZFEM. The use…”
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Sensitivity analysis for problems exhibiting geometric nonlinearities and follower loads using the complex-variable finite element method Autor Lamy, Hameed S., Avila, David, Aristizabal, Mauricio, Restrepo, David, Millwater, Harry, Montoya, Arturo

“… displacement-dependent forces. The method utilizes the complex-variable finite element method (ZFEM…”
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Tearing energy calculation in hyperelastic fracture mechanics using the local and global complex-variable finite element method Autor Ytuarte, Ernest, Aguirre-Mesa, Andres M., Ramirez-Tamayo, Daniel, Avila, David, Millwater, Harry, Restrepo, David, Montoya, Arturo

“…The “local” and “global” complex-variable finite element methods were extended for computing the energy release rate (ERR…”
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Residual stress sensitivity analysis using a complex variable finite element method Autor Fielder, Randal, Montoya, Arturo, Millwater, Harry, Golden, Patrick

“…•ZFEM can obtain sensitivities while simulating the manufacturing processes. [Display omitted] The application of the complex variable finite element method, ZFEM, to structures containing residual stresses is detailed…”
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Transient thermomechanical sensitivity analysis using a complex-variable finite element method Autor Rios, G. Aaron, Sebastián Rincón Tabares, Juan, Montoya, Arturo, Restrepo, David, Millwater, Harry

“…). The analysis was conducted by employing a complex-variable user element within the Abaqus commercial finite element software, herein called ZFEM, using real and imaginary nodal degrees of freedom (DOF…”
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Tearing energy calculation in hyperelastic fracture mechanics using the local and global complex-variable finite element method Autor Ytuarte, Ernest, Aguirre-Mesa, Andres M., Ramirez-Tamayo, Daniel, Avila, David, Millwater, Harry, Restrepo, David, Montoya, Arturo

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Sensitivity Analysis for Transient Thermal Problems Using the Complex-Variable Finite Element Method Autor Rincon-Tabares, Juan-Sebastian, Velasquez-Gonzalez, Juan C., Ramirez-Tamayo, Daniel, Montoya, Arturo, Millwater, Harry, Restrepo, David

“… Here, we combine the complex-variable differentiation theory with the finite…”
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Efficient estimate of residual stress variance using complex variable finite element methods Autor Fielder, Randal, Millwater, Harry, Montoya, Arturo, Golden, Patrick

“… probability of failure over the operating life of the structural component has been reduced. This research demonstrates an approximate but efficient method whereby the variance…”
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Finite Element Sensitivity for Large Deformation Problems Using the Complex Variable Finite Element Method Autor Abrar, Md Minhajul

“…The complex variable finite element method (ZFEM) has been enhanced to compute sensitivity derivatives of output variables of interest with respect to shape, material properties, and load parameters in large deformation elasticity…”
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A complex-variable cohesive finite element subroutine to enable efficient determination of interfacial cohesive material parameters Autor Ramirez-Tamayo, Daniel, Soulami, Ayoub, Gupta, Varun, Restrepo, David, Montoya, Arturo, Millwater, Harry

“… In particular, the PPR cohesive element (Park et al., 2009), was extended using complex variables as a user element for the well-known commercial finite element program, Abaqus…”
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A complex-variable virtual crack extension finite element method for elastic-plastic fracture mechanics Autor Montoya, Arturo, Ramirez-Tamayo, Daniel, Millwater, Harry, Kirby, Matthew

“…) approach for computing the energy release rate using a complex-variable finite element method (ZFEM…”
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Computation of two dimensional mixed-mode stress intensity factor rates using a complex-variable interaction integral Autor Aguirre-Mesa, Andres M., Restrepo-Velasquez, Sara, Ramirez-Tamayo, Daniel, Montoya, Arturo, Millwater, Harry

“… The derivatives of the actual displacement fields are computed using a hypercomplex-variable finite element method (ZFEM…”
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A stiffness derivative local hypercomplex-variable finite element method for computing the energy release rate Autor Aguirre-Mesa, Andres M., Ramirez-Tamayo, Daniel, Garcia, Manuel J., Montoya, Arturo, Millwater, Harry

“…•An extension to second order derivatives is also developed and demonstrated. A “local” hypercomplex-variable finite element method, L-ZFEM, is proposed for the computation of the energy release rate (ERR…”
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Mixed-mode stress intensity factors computation in functionally graded materials using a hypercomplex-variable finite element formulation Autor Ramirez-Tamayo, Daniel, Balcer, Matthew, Montoya, Arturo, Millwater, Harry

“…The hypercomplex-variable finite element method, ZFEM, is extended to compute the mode I and mode II energy release rates (ERR…”
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Complex variable methods for shape sensitivity of finite element models Autor Voorhees, Andrew, Millwater, Harry, Bagley, Ronald

“… Complex variable methods for shape sensitivity analysis have some potential advantages over other methods…”
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Sensitivity Analysis of Hyperelastic Problems Using the Local and Global Complex-Variable Finite Element Methods Autor Ytuarte, Ernest

“…A new sensitivity approach based on the Complex-Variable Finite Element Method (ZFEM) was developed to analyze problems involving hyperelastic materials and large geometric deformations…”
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Transient Thermomechanical Sensitivity Analysis Using a Complex-Variable Finite Element Method and Development of a High-Throughput Tensile Test Protocol for Ti-6Al-4V Additively Manufactured (AM) Components Autor Rios, Gerardo Aaron

“…). The analysis was conducted by employing a complex-variable user element within the Abaqus commercial finite element software, herein called ZFEM, using real and imaginary nodal degrees of freedom (DOF…”
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Sensitivity analysis in thermoelastic problems using the complex finite element method Autor Montoya, Arturo, Millwater, Harry

“… ZFEM, based on the complex Taylor series approach, performs finite element procedures using complex variables such that the response variables (temperature, stress…”
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