| 确定海底管线管跨段模糊固有频率的方法 |
| |
| 引用本文： | 罗延生 方华灿 等. 确定海底管线管跨段模糊固有频率的方法[J]. 天津大学学报(自然科学与工程技术版), 2001, 34(6): 775-778 |
| |
| 作者姓名： | 罗延生 方华灿 等 |
| |
| 作者单位： | [1]天津大学建筑工程学院，天津300072 [2]石油大学，北京100083 |
| |
| 摘 要： | 根据管跨端点支撑土壤的变形特性，提出了研究管跨振动特性的力学模型；探讨了端点支撑的弹性系数和阻尼系数的模糊性，基于模糊推理规则，依据海底土壤力学特性参数及其影响因素间的模糊关系，提出了确定作为管跨端点支撑土壤的弹性系数和阻尼系数的方法，并通过模型实验，验证了据此方法计算出的模糊固有频率的正确性。
|
| 关 键 词： | 管跨 土壤力学参数 模糊固有频率 模型实验 海底管线 弹性系数 阻力系数 |
| 文章编号： | 0493-2137(2001)06-0775-04 |
| 修稿时间： | 2001-03-28 |
STUDY ON METHOD OF DETERMINING FUZZY NATURAL FREQUENCY OF SUBMARINE PIPELINE SPAN |
| |
| LUO Yan sheng ,YU Jian xing ,FANG Hua can. STUDY ON METHOD OF DETERMINING FUZZY NATURAL FREQUENCY OF SUBMARINE PIPELINE SPAN[J]. Journal of Tianjin University(Science and Technology), 2001, 34(6): 775-778 |
| |
| Authors: | LUO Yan sheng YU Jian xing FANG Hua can |
| |
| Affiliation: | LUO Yan sheng 1,YU Jian xing 1,FANG Hua can 2 |
| |
| Abstract: | This paper presents a model of span vibration according to the deformation character of soil on the seabed.Meanwhile.the fuzziness of the coefficients of elasticity and damping is discussed.A method is established of determining fuzzy natural the frequency of submarine pipeline span, based on the fuzzy reasoning principle.All of the model and method are supported by test. |
| |
| Keywords: | pipeline span fuzziness of soil mechanics parameters fuzzy natural frequency model test |
| 本文献已被 CNKI 维普 等数据库收录！ |
