Verification — Modal

Natural periods from eigenvalue (Modal) analysis, checked against closed-form and independently-solved benchmarks.

Time: About 5 minutes
Level: All levels
You'll need: None — this is a reference document
You're done when: You can open any example in this category for its full comparison

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Natural periods from eigenvalue (Modal) analysis, checked against closed-form and independently-solved benchmarks.

ID	Example	Status
V4.1	Cantilever beam natural frequencies	Acceptable
V4.3	Three-story uniform shear building, modal periods	Exact

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Last updated September 22, 2026 · applies to vfopro 20260922.0.0 or later