8049题。应力-应变特性- 2

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{“部件”:[{“partUri”:“/ matlab / document.xml”、“contentType”:“应用程序/ vnd.mathworks.matlab.code.document + xml”,“内容”:“< ?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>材料的弹性是其抵抗永久(或塑性)变形的能力。回弹性与下图中的弹性区域重合，计算方法为应力-应变曲线下直至屈服点的面积。假定弹性区域是完全线性的，则该区域为三角形。写一个函数来计算材料的弹性应变和屈服应力(屈服强度)。< / w: t > < / w: r > < / w: p > < w: p > < w: pPr > < w: pStyle w: val = \ "文本\ " / > < w: jc w: val = \ \ "中心" / > < / w: pPr > < w: customXml w:元素= \”的形象\“> < w: customXmlPr > < w: attr w: name = \ \“高度”w: val = \“397 \”/ > < w: attr w: name = \ \“宽度”w: val = \ " 600 \ " / > < w: attr w: name = \“verticalAlign \ w: val = \ \“基线”/ > < w: attr w: name = \“altText \ w: val = \ \ " / > < w: attr w: name = \“relationshipId \ w: val = \ " rId1 \ " / > < / w: customXmlPr > < / w: customXml > < / w: p > < w: p > < w: pPr > < w: pStyle w: val = \ "文本\ " / > < w: jc w: val = \ \ "中心" / > < / w: pPr > < w: r > < w: t >(从simsolid.com) < / w: t > < / w: r > < / w: p > < w: p > < w: pPr > < w: pStyle w: val = \ "文本\ " / > < w: jc w: val = \“\”/ > < / w: pPr > < w: r > < w: t >前问题:1 - < / w: t > < / w: r > < w w:超链接:docLocation = \“//www.tianjin-qmedu.com/matlabcentral/cody/problems/8048-stress-strain-properties-1 \”> < w: r > < w: t >弹性模量< / w: t > < / w: r > < / w:超链接> < w: r > < w: t >。下一题:3 -</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"//www.tianjin-qmedu.com/matlabcentral/cody/problems/8050-stress-strain-properties-3\"><w:r><w:t>的质性度量脆性< / w: t > < / w: r > < / w:超链接> < w: r > < w: t >。< / w: t > < / w: r > < / w: p > < / w:身体> < / w:文档>”,“关系”:[{“relationshipType”:“http://schemas.mathworks.com/matlab/code/2013/relationships/image”,“目标”:“/媒体/ image1.jpg”、“relationshipId”:“rId1”}]},{“partUri”:“/媒体/ image1.jpg”、“contentType”:“图像/ jpg格式”、“内容”:“https://www.simsolid.com/wp-content/uploads/2017/10/stress-strain-curve.jpg”,“关系”:零}],“关系”:[{“relationshipType”:“http://schemas.mathworks.com/matlab/code/2013/ /文档的关系”、“目标”:“/ matlab / document.xml”、“relationshipId rId1“:}]}

< span style = " font - family:宋体;行高:20 px;最小高度:0 px;空白:正常;颜色:rgb(0,0,0);font-family: Menlo, Monaco, Consolas, monospace;字体样式:正常;字体大小:14 px;粗细:正常;文字修饰:没有; white-space: normal; "><div style="display: block; min-width: 0px; padding-top: 0px; transform-origin: 332px 288.5px; vertical-align: baseline; perspective-origin: 332px 288.5px; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; transform-origin: 309px 52.5px; white-space: pre-wrap; perspective-origin: 309px 52.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">The resilience of a material is its ability to resist permanent (or plastic) deformation. The resilience coincides with the elastic region in the figure below and is calculated as the area under the stress-strain curve up to the yield point. Given that the elastic region is presumed to be entirely linear, this area is a triangle. Write a function to calculate the resilience of a material provided its elastic strain and yield stress (yield strength).</span></span></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: center; transform-origin: 309px 201.5px; white-space: pre-wrap; perspective-origin: 309px 201.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><img class="imageNode" style="vertical-align: baseline" src="https://www.simsolid.com/wp-content/uploads/2017/10/stress-strain-curve.jpg" data-image-state="image-loaded"></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: center; transform-origin: 309px 10.5px; white-space: pre-wrap; perspective-origin: 309px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">(from simsolid.com)</span></span></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; transform-origin: 309px 10.5px; white-space: pre-wrap; perspective-origin: 309px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">Previous problem: 1 - </span></span><a target='_blank' href = "//www.tianjin-qmedu.com/matlabcentral/cody/problems/8048-stress-strain-properties-1"><span style=""><span style="">elastic modulus</span></span></a><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">. Next problem: 3 -</span></span><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style=""> </span></span><a target='_blank' href = "//www.tianjin-qmedu.com/matlabcentral/cody/problems/8050-stress-strain-properties-3"><span style=""><span style="">qualitative measure of brittleness</span></span></a><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">.</span></span></div></div></div>

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