What question did this study set out to answer?

Develop and validate a double modal synthesis method using hybrid models and loaded modes to ensure substructure boundary compatibility without requiring physical clamping during vibration tests.

March 1, 1994Journal of Applied Mechanics

Component Modal Synthesis Methods Based on Hybrid Models, Part II: Numerical Tests and Experimental Identification of Hybrid Models

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Authors

LJL. Jézéquel HSHerlien D. Setio

Discussion

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Overview

Numerical and experimental analysis demonstrates interface compatibility in substructure assemblies without clamping, indicating practical vibration testing for complex structural systems.

Key Points

Develop and validate a double modal synthesis method using hybrid models and loaded modes to ensure substructure boundary compatibility without requiring physical clamping during vibration tests.
Formulated a double modal synthesis approach using boundary mass or stiffness loading to define generalized boundary coordinates.
Identified hybrid dynamic models directly from experimental test data using independent modal testing across separate substructures.
Eliminated the requirement for rigid boundary clamping, avoiding a major experimental challenge in physical vibration testing.
Captured boundary deformability across the targeted frequency range using generalized boundary coordinates derived from loaded modes.

Cite This Study

Jézéquel et al. (1994) studied this question.

synapsesocial.com/papers/69d8146f8c03fbaff8bed875 https://doi.org/10.1115/1.2901384

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March 1, 1994Journal of Applied Mechanics

Component Modal Synthesis Methods Based on Hybrid Models, Part II: Numerical Tests and Experimental Identification of Hybrid Models

View Full Paper

Ask AI

Bookmark

Authors

LJL. Jézéquel HSHerlien D. Setio

Discussion

Member takes

Overview

Numerical and experimental analysis demonstrates interface compatibility in substructure assemblies without clamping, indicating practical vibration testing for complex structural systems.

Key Points

Develop and validate a double modal synthesis method using hybrid models and loaded modes to ensure substructure boundary compatibility without requiring physical clamping during vibration tests.
Formulated a double modal synthesis approach using boundary mass or stiffness loading to define generalized boundary coordinates.
Identified hybrid dynamic models directly from experimental test data using independent modal testing across separate substructures.
Eliminated the requirement for rigid boundary clamping, avoiding a major experimental challenge in physical vibration testing.
Captured boundary deformability across the targeted frequency range using generalized boundary coordinates derived from loaded modes.

Cite This Study

Jézéquel et al. (1994) studied this question.

synapsesocial.com/papers/69d8146f8c03fbaff8bed875 https://doi.org/10.1115/1.2901384

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