{"id":8644,"date":"2018-05-24T20:05:59","date_gmt":"2018-05-24T12:05:59","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=8644"},"modified":"2026-02-15T08:48:54","modified_gmt":"2026-02-15T00:48:54","slug":"midas-genabaqusmidas2abaqus-verification-example-eigen-13-eigenvalue-analysis-of-cantilever-cylindrical-vault-midas-gen-%e9%aa%8c%e8%af%81%e5%ae%9e%e4%be%8b-static-13-%e5%9c%86%e6%9f%b1","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=8644","title":{"rendered":"[Midas2Abaqus] Verification Example Eigen-13: Eigenvalue analysis of cantilever cylindrical vault [ Midas Gen \u9a8c\u8bc1\u5b9e\u4f8b Static-13: \u5706\u67f1\u5f62\u62f1\u9876\u7279\u5f81\u503c\u5206\u6790]"},"content":{"rendered":"

\u30101\u3011Problem Description ( Midas Gen’s Verification Examples\u00a0Static-13:\u00a0 Eigenvalue analysis of cantilever cylindrical vault)<\/strong><\/p>\n

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

Dimension<\/strong> <\/em>
\nRadius 0.6096 m<\/p>\n

Element<\/strong> <\/em>
\nPlate element<\/p>\n

Material<\/strong> <\/em>
\nModulus of elasticity E = 2.0658\u00d710 5 MPa
\nPoisson\u2019s ratio \u03bd = 0.3
\nWeight density \u03b3 = 7.857 tf\/m 3<\/p>\n

Sectional Property<\/strong> <\/em>
\nRadius 0.6096 m, thickness 3.048\u00d710 -3 m<\/p>\n

Boundary Condition<\/strong> <\/em>
\nNode 1~41: Constrain all DOFs<\/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\uff09Midas Gen Mode1<\/p>\n

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\uff082\uff09Midas Gen Mode2<\/p>\n

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\uff083\uff09Midas Gen Mode3<\/p>\n

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\uff084\uff09Abaqus Mode1<\/p>\n

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\uff085\uff09Abaqus Mode2<\/p>\n

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\uff086\uff09Abaqus Mode3<\/p>\n\n\n\n\n\n\n\n\n\n\n
Frequency (rad\/sec)<\/strong><\/td>\n<\/tr>\n
Mode<\/strong><\/td>\nTheoretical<\/strong><\/td>\nMIDAS\/Gen<\/strong><\/td>\nAbaqus<\/strong><\/td>\n<\/tr>\n
1st<\/td>\n85.6<\/td>\n86.571<\/td>\n85.741<\/td>\n<\/tr>\n
2nd<\/td>\n134.5<\/td>\n138.663<\/td>\n138.27<\/td>\n<\/tr>\n
3rd<\/td>\n259<\/td>\n250.98<\/td>\n246.85<\/td>\n<\/tr>\n
4th<\/td>\n351<\/td>\n345.579<\/td>\n342.11<\/td>\n<\/tr>\n
5th<\/td>\n395<\/td>\n390.471<\/td>\n385.74<\/td>\n<\/tr>\n
6th<\/td>\n531<\/td>\n535.235<\/td>\n529.54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uff087\uff09Comparison of <\/strong>Frequencies\u00a0<\/strong><\/p>\n

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