A template for ship structure strength calculating and analysis based on ansys is built . the system possesses the following features : 1 ) a method of parametric finite element analysis for ship structure is presented in this system , the fea model is droved by the parameters . 2 ) through proceeding communication mechanism of windows , the centre of control based on passages is formed 该计算系统将参数化技术引入船舶结构的有限元计算，初步实现了船体结构有限元建模、计算和后处理的全程参数化；借助功能强大的软件开发工具visualc + + ，利用windows的进程通信机制，建立了基于消息的控制中心，完成程序与ansys间的数据传递，实现了对ansys的封装，从而形成专业化、参数化的有限元计算系统。
In this protocol , the transmitter organizes the frame according to it , and the receiptor does validity check of the characters , length check , crc check . thus , the system will work more exactly and efficiently . and based on rs - 485 communication , the paper implements a process communication method , which is impulsed by overtime message of timers ’ check 在这种协议中,发送方根据协议组帧,接收方主要采用了字符合法性校验、长度校验、内容的crc校验,提高了通信的效率及正确性,最后在rs - 485通信上实现了基于定时器超时检测消息驱动的进程通信策略。
The linux kernel possesses the rich software resources , mature functions , steady working behavior . this paper clarifies the modules that make up the kernel , especially analyses the memory management module and the process management module , introduces the virtue file system module , the inter process communication module and the network module . so we have the deep theory foundation to reconstruct the kernel Linux的内核是一个软件资源十分丰富，功能完善，工作稳定的系统内核，本文对其组成模块进行了深入的分析，着重剖析了内核的内存管理模块和进程管理模块，介绍了虚拟文件系统模块、进程通信模块、网络接口模块的工作原理，为对linux内核进行改造奠定了坚实的理论基础。
After discuss the structure and character of operating system qnx and inter - process communication between pc ' s running qnx or windows , the paper describes the structure , function and flow chart of mission planning software which is developed in qnx , and narrates the course of simulation co - debug experiment , dynamically showing the results of the mission planning in the case of " ocean physiognomy reconnaissance " , and proving the logical correctness and feasibility of task serial produced by mission planning 在论述了多任务、实时操作系统qnx的结构特点以及基于qnx与windows运行的pc机之间网络进程通信的基础上，本文描述了在qnx上开发的使命规划软件的结构功能和流程图，并叙述了仿真联调实验的过程，动态地显示了“海洋地貌勘测”这一案例使命规划的结果，并证明了使命规划所得的任务序列在实际运行中逻辑的正确性与可行性。
After analyzing the real - time specification of java , it points out some shortages of rtsj and provides one model of process communication . that is , based on the concept of csp , it designs the java channel corresponding with csp , and provides the corresponding interfaces , classes and methods that support the channel 在对实时java规范详细分析之后，发现其中不够完善的地方，提出了针对进程通信的改进模型，即在csp概念的基础上，设计相应的java通道，并提供了相应的接口、类及方法用以实现它。
