{"id":8348,"date":"2018-05-10T00:26:01","date_gmt":"2018-05-09T16:26:01","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=8348"},"modified":"2026-02-16T22:37:30","modified_gmt":"2026-02-16T14:37:30","slug":"midas-genabaqusmidas2abaqus-verification-example-static-31-elliptic-membrane-under-uniformly-distributed-load-midas-gen-%e9%aa%8c%e8%af%81%e5%ae%9e%e4%be%8b-static-31-%e6%a4%ad%e5%9c%86","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=8348","title":{"rendered":"[Midas2Abaqus] Verification Example Static-31: Elliptic membrane under uniformly distributed load [ Midas Gen \u9a8c\u8bc1\u5b9e\u4f8b Static-31: \u692d\u5706\u8584\u819c\u53d7\u5747\u5e03\u8377\u8f7d]"},"content":{"rendered":"

\u30101\u3011Problem Description ( Midas Gen’s Verification Examples\u00a0Static-31:\u00a0 Elliptic membrane under uniformly distributed load)<\/strong><\/p>\n

An elliptical membrane of thickness, t and geometrical properties is subjected to a uniformly distributed outward pressure. Determine the edge stress at the target point C.<\/p>\n

\"\" \"\"<\/p>\n

Structural geometry and analysis model <\/strong><\/p>\n

\u30102\u3011MODEL Properties<\/strong><\/p>\n

Dimension<\/strong>
\nMajor radius 6.5 m Minor radius 5.5m<\/p>\n

Element<\/strong>
\nPlane stress element, Plate element<\/p>\n

Material<\/strong>
\nModulus of elasticity E = 2.1\u00d710 5 MPa
\nPoisson\u2019s ratio \u03bd = 0.3<\/p>\n

Sectional Property<\/strong>
\nThickness 0.10 m<\/p>\n

Boundary Condition
\nNode 1~8: Constrain D Z and R Y
\nNode 275~282: Constrain D X and R Y<\/p>\n

Load Case<\/strong>
\nUniformly distributed outward pressure, q = 10 MPa<\/p>\n

\u30103\u3011Midas Gen Model<\/strong><\/p>\n

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\u30104\u3011Midas 2 Abaqus Model<\/strong><\/p>\n

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\u30105\u3011Abaqus Model<\/strong><\/p>\n

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\u30106\u3011Comparison of Results<\/strong><\/p>\n

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\uff081\uff09 Midas Gen ( Stress-YY)<\/strong><\/p>\n

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\uff082\uff09 Abaqus ( Stress-YY)<\/strong><\/p>\n\n\n\n\n
Result<\/strong><\/td>\nTheoretical<\/strong><\/td>\nMidas Gen<\/strong><\/td>\nAbaqus<\/strong><\/td>\n<\/tr>\n
Stress(\u03c3Y<\/sub>)<\/td>\n92.070<\/td>\n90.520<\/td>\n93.290<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uff083\uff09 Midas Gen vs. Abaqus ( Stress-YY) ( Unit: MPa)<\/strong><\/p>\n

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