Propellant creep constitutive construction and finite element application method considering damage softening
The embodiment of the invention discloses a propellant creep constitutive construction and finite element application method considering damage softening, and the method comprises the steps: obtaining creep experiment data of a to-be-measured propellant under the action of a static load, the creep e...
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creator | WANG XUEREN ZHANG YANSHEN QIANG HONGFU WANG ZHEJUN WANG JIAXIANG PEI SHUDI ZOU ZIJIE |
description | The embodiment of the invention discloses a propellant creep constitutive construction and finite element application method considering damage softening, and the method comprises the steps: obtaining creep experiment data of a to-be-measured propellant under the action of a static load, the creep experiment data comprising propellant loading stress, loading time and damage data; determining a damage parameter and a creep compliance parameter of the to-be-measured propellant based on the creep experiment data, and determining a damage evolution function of the to-be-measured propellant according to an accumulated damage theory and the creep experiment data; determining a softening function of the propellant to be measured according to the damage parameter and the creep compliance parameter; and based on the damage parameter, the creep compliance parameter, the damage evolution function and the softening function, constructing a solid propellant creep constitutive model considering the damage softening effect |
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determining a damage parameter and a creep compliance parameter of the to-be-measured propellant based on the creep experiment data, and determining a damage evolution function of the to-be-measured propellant according to an accumulated damage theory and the creep experiment data; determining a softening function of the propellant to be measured according to the damage parameter and the creep compliance parameter; and based on the damage parameter, the creep compliance parameter, the damage evolution function and the softening function, constructing a solid propellant creep constitutive model considering the damage softening effect</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizEOwjAQBNNQIOAP5gEUCQVJiSIQFaKgj07OJpxkny37wvuJAg-gWu3OzrrwjxQinCNRYxMQjQ2SlXVSfuNb0mSVgxiS3gwsrDBw8JgVitGxpQV76Cv0i8I9EstoevI0wuQwKGQetsVqIJex--Wm2F8vz_Z2QAwdciQLgXbtvSxPdVU3VXM-_vP5AFeTQ9A</recordid><startdate>20240405</startdate><enddate>20240405</enddate><creator>WANG XUEREN</creator><creator>ZHANG YANSHEN</creator><creator>QIANG HONGFU</creator><creator>WANG ZHEJUN</creator><creator>WANG JIAXIANG</creator><creator>PEI SHUDI</creator><creator>ZOU ZIJIE</creator><scope>EVB</scope></search><sort><creationdate>20240405</creationdate><title>Propellant creep constitutive construction and finite element application method considering damage softening</title><author>WANG XUEREN ; ZHANG YANSHEN ; QIANG HONGFU ; WANG ZHEJUN ; WANG JIAXIANG ; PEI SHUDI ; ZOU ZIJIE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN117828929A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG XUEREN</creatorcontrib><creatorcontrib>ZHANG YANSHEN</creatorcontrib><creatorcontrib>QIANG HONGFU</creatorcontrib><creatorcontrib>WANG ZHEJUN</creatorcontrib><creatorcontrib>WANG JIAXIANG</creatorcontrib><creatorcontrib>PEI SHUDI</creatorcontrib><creatorcontrib>ZOU ZIJIE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG XUEREN</au><au>ZHANG YANSHEN</au><au>QIANG HONGFU</au><au>WANG ZHEJUN</au><au>WANG JIAXIANG</au><au>PEI SHUDI</au><au>ZOU ZIJIE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Propellant creep constitutive construction and finite element application method considering damage softening</title><date>2024-04-05</date><risdate>2024</risdate><abstract>The embodiment of the invention discloses a propellant creep constitutive construction and finite element application method considering damage softening, and the method comprises the steps: obtaining creep experiment data of a to-be-measured propellant under the action of a static load, the creep experiment data comprising propellant loading stress, loading time and damage data; determining a damage parameter and a creep compliance parameter of the to-be-measured propellant based on the creep experiment data, and determining a damage evolution function of the to-be-measured propellant according to an accumulated damage theory and the creep experiment data; determining a softening function of the propellant to be measured according to the damage parameter and the creep compliance parameter; and based on the damage parameter, the creep compliance parameter, the damage evolution function and the softening function, constructing a solid propellant creep constitutive model considering the damage softening effect</abstract><oa>free_for_read</oa></addata></record> |
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title | Propellant creep constitutive construction and finite element application method considering damage softening |
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