基于计算流体力学方法,用AutoCAD,Pro/E建立了液压锥阀的几何模型,采用ADINA软件的ADINA-FSI模块对不同情况下液压锥阀流场进行仿真分析,得到了锥阀流场的压力分布图和速度矢量图。通过ADINA的后处理模块,获得了锥阀不同开口度、入口流速、阀芯锥角与锥阀内部流场之间的关系。研究结果对锥阀结构优化设计具有一定的指导作用。

Based on Computational Fluid Dynamics Approach , the geometry models of the poppet valve were established by using AutoCAD and Pro/E.The ADINA-FSI module of ADINA was used to simulate and analyze the flow field of the poppet valve under different conditions .The valve port flow pressure dis-tribution and velocity vector were got .The relationship between the poppet valve internal flow field and the different opening position , entrance velocity and conical angle of the poppet valve were obtained .The findings can be applied in the designing and optimizing of the poppet valve structure .

为了研究钻孔灌注桩在周围土体特性变化情况下,桩体承载性能的变化,运用ADINA进行数值模拟,通过荷载试验对模拟结果进行精确度衡量,得出了一些有参考价值的结论。

In order to study the characteristics bored in soil around the body changes,changes in the pile bearing performance,the use of ADINA to simulate,through simulated load test to measure the accuracy of the results,obtained some valuable conclusions.

通过ADINA软件对挡土墙回填土进行了模拟，并运用生死单元对回填土进行了分层定义，从而得到了挡土墙在回填过程中不同时刻土压力情况，为挡土墙的设计提供理论依据。

The paper simulates the refilled soil of the retaining walls with ADINA software, undertakes the layering definition of the refilled soil with the birth-death elements, and concludes the pressure circumstances of the retaining walls in the refilling process at different periods, so as to provide some theoretical reference for the design of retaining walls.

利用有限元软件ADINA对加固后的下浦水闸进行三维有限元结构计算，通过分析加固后水闸不同工况下的位移与应力，对加固方案的可靠性进行了评价，同时对结构配筋需加强部位提出建议。

Applying with ADINA finite element software , reinforced Xiapu sluice is under the three-dimensional finite element struc-tural calculations .After the analysis on the displacement and stress of the reinforcement sluice under different conditions , the relia-bility of the program is evaluated , and the structure of the site recommendations need to strengthen is pointed out .

为了减小电液伺服斜盘柱塞式液压变压器的压力冲击,降低噪声,提高其运行平稳性,本文基于ADINA软件的流固耦合功能对液压变压器的配流盘缓冲槽进行了研究.在Pro/E中建立了配流结构的流体模型和固体模型,导入到ADINA软件中建立有限元模型,分析了配流缓冲结构的流场,并对结构进行了有限元校核,设计制造了带有三角槽缓冲结构的配流盘,基于搭建的液压变压器实验台进行了实验研究.结果表明所设计的配流盘能够使液压变压器运行平稳,最低转速达到35 r/min,噪声显著降低,可靠性明显提高,验证了理论分析的正确性.

To reduce the pressure shock of the electro-hydraulic-servo piston hydraulic transformer with swash plate,to lower the noise and to improve the operational stability,this paper develops buffer slot in the valve plate of the hydraulic transformer based-on the fluid-structure coupling function of the software ADINA.In software Pro/E,fluid model and solid model of the flow assignment structure of valve plate are buih and imported to the software ADINA for building of finite element model.The flow field of the flow assignment structure that was checked with finite element method was analyzed.A valve plate with buffer slot with triangle shape was manufactured and tested on hydraulic transformer test-bed.The results revealed that the valve plate enabled hydraulic transformer steady in operation and the minimum speed of hydraulic transformer reached 35 r/min.The noise was lower and the reliability was improved.The correctness of theoretical analysis was testified.