Numerical study of the hail impact on PV Panel by specific constitutive models
Numerical study of the hail impact on PV Panel by specific constitutive models
In this article, author mainly addressed on the impact problem between hail and glass in photovoltaic(PV) panel, and solved several issues by finite element analysis, firstly, based on historical experiments and simulations, author demonstrated the applied criteria about numerical hails and glass constitutive models, identified that “EPF” and “Epoxy with stochastic variances(SV)” constitutive models can be the candidates of the research objects respectively, then author applied the ‘SHP’ (Smooth Particles Hydrodynamics) method on ‘LS-Dyna’ and performed several impact simulations to assess their mechanic behaviors, meanwhile, compared simulation values with previous experiments, these study indexes include kinetic energy, shear stress and deformation, etc. Finally, author established the dependencies charts of glass deformations with stochastic variances and hail falling speeds, proposed series conclusions about the glass damage prediction from SV parameters, these conclusions can be references for failure predictions of PV panels. The novelty of this article is that author imported the stochastic variances parameters in glass model, expressed the guidelines and the conditions for adopting the hail and glass mathematical models for numerical study. This article can benefit the research in destructive failure and material failure morphonology, especially in solar power industry, car industry, etc.
Keywords:
Glass, Hail, LS-Dyna, Smooth Particles Hydrodynamics (SPH) Stochastic Variance,
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- ISSN: 2548-1185
- Başlangıç: 2016
- Yayıncı: Nişantaşı Üniversitesi
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Şehri Nur GÜLER, Kamil Çağatay BAYINDIR, Adnan TAN
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Numerical study of the hail impact on PV Panel by specific constitutive models
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