Transient Forward Harmonic Adjoint Sensitivity Analysis
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914651347877888 |
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| author | Sarpe, Julian Klaedtke, Andreas De Gersem, Herbert |
| author_facet | Sarpe, Julian Klaedtke, Andreas De Gersem, Herbert |
| contents | This paper presents a transient forward harmonic adjoint sensitivity analysis (TFHA), which is a combination of a transient forward circuit analysis with a harmonic balance based adjoint sensitivity analysis. TFHA provides sensitivities of quantities of interest from time-periodic problems w.r.t. many design parameters, as used in the design process of power-electronics devices. The TFHA shows advantages in applications where the harmonic balance based adjoint sensitivity analysis or finite difference approaches for sensitivity analysis perform poorly. In contrast to existing methods, the TFHA can be used in combination with arbitrary forward solvers, i.e. general transient solvers. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_13496 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Transient Forward Harmonic Adjoint Sensitivity Analysis Sarpe, Julian Klaedtke, Andreas De Gersem, Herbert Numerical Analysis This paper presents a transient forward harmonic adjoint sensitivity analysis (TFHA), which is a combination of a transient forward circuit analysis with a harmonic balance based adjoint sensitivity analysis. TFHA provides sensitivities of quantities of interest from time-periodic problems w.r.t. many design parameters, as used in the design process of power-electronics devices. The TFHA shows advantages in applications where the harmonic balance based adjoint sensitivity analysis or finite difference approaches for sensitivity analysis perform poorly. In contrast to existing methods, the TFHA can be used in combination with arbitrary forward solvers, i.e. general transient solvers. |
| title | Transient Forward Harmonic Adjoint Sensitivity Analysis |
| topic | Numerical Analysis |
| url | https://arxiv.org/abs/2401.13496 |