原文传递
Triangular Shell Heat Transfer Element for the Thermal Analysis of Nonuniformly Heated Structures
| 题名： | Triangular Shell Heat Transfer Element for the Thermal Analysis of Nonuniformly Heated Structures |
| 正文语种： | 英文 |
| 作者： | Ann E. Jeffers |
| 作者单位： | Univ, of Michigan |
| 关键词： | Heat transfer; Fire resistance; Shells; Finite-element method; Analysis and computation |
| 摘要： | This paper presents a triangular shell heat transfer element that is used to simulate the thermal response of nonuniformly heated structures. The formulation uses a combi nation of finite-element and control volume techniques to arrive at a layered shell element that is used to solve the 3D conduction heat transfer problem in a highly efficient manner. This paper considers a 3-node linear element and a 6-node quadratic element. The element formulation is verified against a converged continuum heat transfer model for a thick steel plate exposed to a concentrated heat flux, a thick steel pipe exposed to a concentrated heat flux, and a concrete slab exposed to a localized fire. The verification studies demonstrate that the linear and quadratic elements consistently con verge to the continuum model and require a fraction of the computational cost. The verification study involving the concrete slab exposed to a localized fire demonstrates that the formulation can readily handle steep temperature gradients as well as temperature-dependent material properties. DOI: 10.106l/(ASCE)ST.1943-541X.0001335. © 2015 American Society of Civil Engineers. |
| 出版日期： | 2016.01 |
| 出版年： | 2016 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.142 |
| 期： | NO.01 |
| 页码： | 04015084 |
相关文献
- Reduced-Order Modeling of Composite Floor Slabs in Fire. I: Heat-Transfer Analysis
- 3D Beam Element for the Analysis of Torsional Problems of Steel-Structures in Fire
- Influence of Cracking on Heat Propagation in Reinforced Concrete Structures
- Capturing Out-of-Plane Shear Failures in the Analysis of Reinforced Concrete Shells
- Fire Resistance of Gypsum Board Protected Steel Columns with High Load Ratios
- Reduced-Order Modeling of Composite Floor Slabs in Fire. II: Thermal-Structural Analysis
检索历史
应用推荐
