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BS ISO 21955:2021 Acoustics. Experimental method for transposition of dynamic forces generated by an active component from a test bench to a receiving structure >
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BS ISO 21955:2021 Acoustics. Experimental method for transposition of dynamic forces generated by an active component from a test bench to a receiving structure, 2021
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle of the method of transposition of the dynamic force
- 4.1 General matters
- 4.2 General formulae
- 4.3 Geometrical considerations
- 5 Operating mode
- 5.1 General
- 5.2 Synopsis of procedure
- 5.3 Tasks and preliminary operations
- 5.4 Transfer matrices determination
- 5.4.1 General
- 5.4.2 Final receiving structure transfer matrix determination 
- 5.4.3 Test bench transfer matrix determination, 
- 5.4.4 Connecting device spring-like matrix properties determination, 
- 5.4.5 Active Component transfer matrix determination, 
- 5.5 Measured dynamic forces transmitted to the test bench
- 5.6 Predicted dynamic forces transmitted to the final structure
- 5.6.1 General
- 5.6.2 Strong decoupling
- 5.6.3 Very similar bench and receiving structure
- 5.6.4 Case of a rigid receiving structure
- 5.6.5 Case of a non-rigid receiving structure
- 6 Requirements for data in test report
- 6.1 Specification of the integrator to the supplier
- 6.2 Data sent by the supplier to the integrator
- Annex A (informative) Theoretical developments
- Annex B (informative) Frequency response functions measurement
- Annex C (informative) Dynamic forces measurement
- Annex D (informative) Data processing
- Annex E (informative) Study of a wiper system
- Annex F (informative) Equivalent force torsor and block-sensor method
- Bibliography [Go to Page]