Well-posedness for the semilinear wave equations with nonlinear damping on manifolds with conical degeneration
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866915042226601984 |
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| author | Liu, Gongwei Peng, Yi Li, Peng |
| author_facet | Liu, Gongwei Peng, Yi Li, Peng |
| contents | This paper deals with a class of semilinear wave equation with nonlinear damping term $|u_{t}|^{m-2}u_t $ and nonlinear source term $g(x)|u|^{p-2}u$ on the manifolds with conical singularities. Firstly, we prove the local existence and uniqueness of the solution by the semigroup method. Secondly, we establish the global existence, the energy decay estimate and the blow-up in finite time of the solution with subcritial ($E(0)<d$) and critial ($E(0)=d$) initial energy level by constructing potential wells. We also show that the solution is global provided the damping dominates the source (that is $m\geq p$). Moreover, we prove the blow-up in finite time of the solution with arbitrary positive initial energy and give some necessary and sufficient condition for existing finite time blow-up solutions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_00335 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Well-posedness for the semilinear wave equations with nonlinear damping on manifolds with conical degeneration Liu, Gongwei Peng, Yi Li, Peng Analysis of PDEs This paper deals with a class of semilinear wave equation with nonlinear damping term $|u_{t}|^{m-2}u_t $ and nonlinear source term $g(x)|u|^{p-2}u$ on the manifolds with conical singularities. Firstly, we prove the local existence and uniqueness of the solution by the semigroup method. Secondly, we establish the global existence, the energy decay estimate and the blow-up in finite time of the solution with subcritial ($E(0)<d$) and critial ($E(0)=d$) initial energy level by constructing potential wells. We also show that the solution is global provided the damping dominates the source (that is $m\geq p$). Moreover, we prove the blow-up in finite time of the solution with arbitrary positive initial energy and give some necessary and sufficient condition for existing finite time blow-up solutions. |
| title | Well-posedness for the semilinear wave equations with nonlinear damping on manifolds with conical degeneration |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2412.00335 |