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- Based on the simulation of the M_2 tide in the Bohai,Yellow and East China Seas,numerical experiments are made to study 4 strategies on the bottom friction coefficient(BFC) in a numerical adjoint model. 使用伴随同化方法探讨了四种底摩擦系数处理方法并模拟了渤黄东海的M2分潮.;理想实验表明:伴随同化方法有很强的反演底摩擦系数的能力;
- Adjoint method was used to optimize the bottom friction coefficients (BFC) of the Bohai Sea,the Yellow Sea and the East China Sea when the BFC was constant and when the BFC were independent. 借助伴随同化方法,本文将Topex/Poseidon高度计资料同化到二维非线性潮汐模型中,在边界条件不变的前提下,优化底摩擦系数,并对渤黄东海M 2分潮进行了数值模拟。
- STUDY ON BOTTOM FRICTION COEFFICIENT IN THE BOHAI, HUANGHAI AND EAST CHINA SEAS 渤、黄、东海底摩擦系数的研究
- Numerical Study on the Bottom Friction Coefficient of the Bohai, Yellow and East China Seas 渤黄东海底摩擦系数数值研究
- bottom friction coefficient 底摩擦系数
- THE BOTTOM FRICTION COEFFICIENTS OF THE BOHAI SEA AND THE HUANGHAI SEA 渤、黄海的底摩擦系数
- The real bottom friction decided by ocean topography is very complicated and an independent BFC is required. 实际实验表明;底摩擦效应与地形密切相关;而海洋地形十分复杂;故需要较多的独立的底摩擦系数才能得到较好的模拟结果.
- The shallow-water effect, pressure gradient. Coriolis force and bottom friction are considered in this model. 在这个模型中,主要考虑了浅水效应、压强梯度、科氏力和底摩擦力等项。
- The low density graphite gets higher friction coefficient and bulk worn loss than the high density graphite. 低密度石墨的摩擦系数和体积磨损量比高密度石墨材料高。
- The friction coefficient of the polish surface was 74% of that of grind surface. 摩擦表面抛光处理,使摩擦因数降低为磨削处理时的74%25。
- It includes concept of oceanic flow, geostrophic flow, wind flow, gradient flow, bottom friction flow, and unsteady flow. 需要6个学时。
- The experimental results show that EDL has apparent effect on the friction coefficient and streaming potential. 结果表明,外加电场作用下,双电层电粘度效应对摩擦因数具有明显影响;
- The friction coefficient increases with the increase of amplitude, and decreases with the increase of load. 镀层摩擦因数随微动振幅增加而增加,随载荷的增加而减小;
- The non linear shallow water equations are considered in which the horizontal kinematic nonlinearities, nonlinear bottom friction and horizontal eddy diffusion are included. 潮汐模型的控制方程为考虑平流项、非线性底摩擦和侧向涡动粘性项的非线性浅水方程组 .
- Dry hair and oiliness hair had little difference on the average friction coefficient. 干性头发和油性头发的摩擦系数相差不大；
- The friction coefficient of sample with high porosity tended to reduce and stabilize in continuous braking cycles. 在连续循环制动时，高孔隙率材料的摩擦系数逐渐降低并趋于稳定。
- Friction coefficient between coated dies and metal samples can be determined by compression tests of ring samples. 使用环形试样压缩试验,可测出涂层模具和相应金属试样间的摩擦因数。
- Experimental results show that POB reduces the friction coefficient and increases the wear resistance of PTFE. 结果表明,添加POB降低了PTFE的摩擦系数,提高了PTFE的耐磨性。
- Lubricating status between surfaces is charaterized with Coulomb friction coefficient. 其中表面间的润滑状态是通过库仑摩擦系数来表征的。
- As for CrN coating, the hard debris results in the increase of friction coefficient and wear rate. CrN镀层磨损产生的硬质磨屑提高了镀层摩擦系数和比磨损率。
