Computational design of deformation processes for materials with ductile damage
A continuum sensitivity method is developed for thermoplasticity combined with ductile damage at finite strains. The computed sensitivity fields are used within a gradient-based optimization framework for the computational design of metal forming processes for porous materials. The accuracy and effe...
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| Veröffentlicht in: | Computer methods in applied mechanics and engineering 2003-01, Vol.192 (1), p.147-183 |
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| container_title | Computer methods in applied mechanics and engineering |
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| creator | Ganapathysubramanian, Shankar Zabaras, Nicholas |
| description | A continuum sensitivity method is developed for thermoplasticity combined with ductile damage at finite strains. The computed sensitivity fields are used within a gradient-based optimization framework for the computational design of metal forming processes for porous materials. The accuracy and effectiveness of the developed updated Lagrangian finite element analysis and design techniques are demonstrated with a number of representative examples. In addition to die design problems, novel preform (shape) design problems are examined for near net shape manufacturing that accounts for the volume change induced during the deformation process. |
| doi_str_mv | 10.1016/S0045-7825(02)00538-8 |
| format | Article |
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The computed sensitivity fields are used within a gradient-based optimization framework for the computational design of metal forming processes for porous materials. The accuracy and effectiveness of the developed updated Lagrangian finite element analysis and design techniques are demonstrated with a number of representative examples. In addition to die design problems, novel preform (shape) design problems are examined for near net shape manufacturing that accounts for the volume change induced during the deformation process.</description><identifier>ISSN: 0045-7825</identifier><identifier>EISSN: 1879-2138</identifier><identifier>DOI: 10.1016/S0045-7825(02)00538-8</identifier><identifier>CODEN: CMMECC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Computational design ; Computational techniques ; Continuum sensitivity analysis ; Ductile damage ; Elasto-plasticity ; Exact sciences and technology ; Finite-element and galerkin methods ; Forming ; Fundamental areas of phenomenology (including applications) ; Inelasticity (thermoplasticity, viscoplasticity...) ; Lagrangian analysis ; Mathematical methods in physics ; Metal forming ; Metals. 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Metallurgy</subject><subject>Optimization</subject><subject>Other forming methods</subject><subject>Physics</subject><subject>Production techniques</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>Thermomechanical analysis</subject><subject>Viscoelasticity, plasticity, viscoplasticity</subject><issn>0045-7825</issn><issn>1879-2138</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LAzEQDaJgrf4EYS-KHlbzuZs9iRS_oNCDeg5pMqmR_ajJruK_N9sWPTqXGd68eTPzEDol-IpgUlw_Y8xFXkoqLjC9xFgwmcs9NCGyrHJKmNxHk1_KITqK8R2nkIRO0GLWNeuh173vWl1nFqJftVnnUuW60GzwbB06AzFCzBKWJRCC13XMvnz_ltnB9L6GzOpGr-AYHbjUgpNdnqLX-7uX2WM-Xzw8zW7nuWGF7HMona6s00vLysIsrS4MY1gLOx5GMMdEYEo1BmL5snCaOVFhngBeUWcJZVN0vtVNt30MEHvV-GigrnUL3RAVLSUR6fdEFFuiCV2MAZxaB9_o8K0IVqN9amOfGr1RmKqNfUqmubPdAh2Nrl3QrfHxb5hzKggf9W-2PEjffnoIKhoPrQHrA5he2c7_s-kHt7qEyA</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>Ganapathysubramanian, Shankar</creator><creator>Zabaras, Nicholas</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20030101</creationdate><title>Computational design of deformation processes for materials with ductile damage</title><author>Ganapathysubramanian, Shankar ; Zabaras, Nicholas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-e7fa9dfabd376cbda6c330a5d0000104015022a0e1d4b6fa3f59042a0492fd123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Computational design</topic><topic>Computational techniques</topic><topic>Continuum sensitivity analysis</topic><topic>Ductile damage</topic><topic>Elasto-plasticity</topic><topic>Exact sciences and technology</topic><topic>Finite-element and galerkin methods</topic><topic>Forming</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Inelasticity (thermoplasticity, viscoplasticity...)</topic><topic>Lagrangian analysis</topic><topic>Mathematical methods in physics</topic><topic>Metal forming</topic><topic>Metals. 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| ispartof | Computer methods in applied mechanics and engineering, 2003-01, Vol.192 (1), p.147-183 |
| issn | 0045-7825 1879-2138 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Computational design Computational techniques Continuum sensitivity analysis Ductile damage Elasto-plasticity Exact sciences and technology Finite-element and galerkin methods Forming Fundamental areas of phenomenology (including applications) Inelasticity (thermoplasticity, viscoplasticity...) Lagrangian analysis Mathematical methods in physics Metal forming Metals. Metallurgy Optimization Other forming methods Physics Production techniques Solid mechanics Structural and continuum mechanics Thermomechanical analysis Viscoelasticity, plasticity, viscoplasticity |
| title | Computational design of deformation processes for materials with ductile damage |
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