Frequency response function (FRF) based updating of a laser spot welded structure
The objective of this paper is to present frequency response function (FRF) based updating as a method for matching the finite element (FE) model of a laser spot welded structure with a physical test structure. The FE model of the welded structure was developed using CQUAD4 and CWELD element connect...
| Main Authors: | , , , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
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AIP Publishing
2018
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| Subjects: | |
| Online Access: | http://umpir.ump.edu.my/id/eprint/23086/1/Frequency%20response%20function%20%28FRF%29%20based%20updating%20of%20a%20laser%20spot%20welded%20structure.pdf |
| _version_ | 1796993051394048000 |
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| author | Mohd Syazwan, Mohd Zin M. N., Abdul Rani Mohd Azmi, Yunus M. S. M., Sani W. I. I., Wan Iskandar Mirza Ahmad Azlan, Mat Isa |
| author_facet | Mohd Syazwan, Mohd Zin M. N., Abdul Rani Mohd Azmi, Yunus M. S. M., Sani W. I. I., Wan Iskandar Mirza Ahmad Azlan, Mat Isa |
| author_sort | Mohd Syazwan, Mohd Zin |
| collection | UMP |
| description | The objective of this paper is to present frequency response function (FRF) based updating as a method for matching the finite element (FE) model of a laser spot welded structure with a physical test structure. The FE model of the welded structure was developed using CQUAD4 and CWELD element connectors, and NASTRAN was used to calculate the natural frequencies, mode shapes and FRF. Minimization of the discrepancies between the finite element and experimental FRFs was carried out using the exceptional numerical capability of NASTRAN Sol 200. The experimental work was performed under free-free boundary conditions using LMS SCADAS. Avast improvement in the finite element FRF was achieved using the frequency response function (FRF) based updating with two different objective functions proposed. |
| first_indexed | 2024-03-06T12:28:26Z |
| format | Conference or Workshop Item |
| id | UMPir23086 |
| institution | Universiti Malaysia Pahang |
| language | English |
| last_indexed | 2024-03-06T12:28:26Z |
| publishDate | 2018 |
| publisher | AIP Publishing |
| record_format | dspace |
| spelling | UMPir230862019-07-08T02:53:20Z http://umpir.ump.edu.my/id/eprint/23086/ Frequency response function (FRF) based updating of a laser spot welded structure Mohd Syazwan, Mohd Zin M. N., Abdul Rani Mohd Azmi, Yunus M. S. M., Sani W. I. I., Wan Iskandar Mirza Ahmad Azlan, Mat Isa TJ Mechanical engineering and machinery The objective of this paper is to present frequency response function (FRF) based updating as a method for matching the finite element (FE) model of a laser spot welded structure with a physical test structure. The FE model of the welded structure was developed using CQUAD4 and CWELD element connectors, and NASTRAN was used to calculate the natural frequencies, mode shapes and FRF. Minimization of the discrepancies between the finite element and experimental FRFs was carried out using the exceptional numerical capability of NASTRAN Sol 200. The experimental work was performed under free-free boundary conditions using LMS SCADAS. Avast improvement in the finite element FRF was achieved using the frequency response function (FRF) based updating with two different objective functions proposed. AIP Publishing 2018-04 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/23086/1/Frequency%20response%20function%20%28FRF%29%20based%20updating%20of%20a%20laser%20spot%20welded%20structure.pdf Mohd Syazwan, Mohd Zin and M. N., Abdul Rani and Mohd Azmi, Yunus and M. S. M., Sani and W. I. I., Wan Iskandar Mirza and Ahmad Azlan, Mat Isa (2018) Frequency response function (FRF) based updating of a laser spot welded structure. In: International Conference on Electrical, Electronics, Materials and Applied Science 2017 , 22-23 December 2017 , Swami Vivekananda Institute of Technology (SVIT)Secunderabad, Telangana; India. , 1952. ISSN 0094-243X ISBN 978-073541647-5 https://doi.org/10.1063/1.5032017 https://doi.org/10.1063/1.5032017 |
| spellingShingle | TJ Mechanical engineering and machinery Mohd Syazwan, Mohd Zin M. N., Abdul Rani Mohd Azmi, Yunus M. S. M., Sani W. I. I., Wan Iskandar Mirza Ahmad Azlan, Mat Isa Frequency response function (FRF) based updating of a laser spot welded structure |
| title | Frequency response function (FRF) based updating of a laser spot welded structure |
| title_full | Frequency response function (FRF) based updating of a laser spot welded structure |
| title_fullStr | Frequency response function (FRF) based updating of a laser spot welded structure |
| title_full_unstemmed | Frequency response function (FRF) based updating of a laser spot welded structure |
| title_short | Frequency response function (FRF) based updating of a laser spot welded structure |
| title_sort | frequency response function frf based updating of a laser spot welded structure |
| topic | TJ Mechanical engineering and machinery |
| url | http://umpir.ump.edu.my/id/eprint/23086/1/Frequency%20response%20function%20%28FRF%29%20based%20updating%20of%20a%20laser%20spot%20welded%20structure.pdf |
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