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    • 94. 发明授权
    • Method and system for adaptive mesh-free shell structures
    • 自适应无网壳结构的方法和系统
    • US07702490B1
    • 2010-04-20
    • US11113552
    • 2005-04-25
    • Cheng-Tang WuYong Guo
    • Cheng-Tang WuYong Guo
    • G06F7/60G06F17/10G06G7/48
    • G06F17/5018
    • A method, system and computer program product pertained to adaptive discretization refinement of shell structure is disclosed. The adaptive mesh-free model is based on a technique for dividing the critical area into a finer model. The present invention is a method for enabling adaptive mesh-free shell structure in a time-domain analysis, the method comprises: defining the mesh-free shell structure by a structural geometry description file including a plurality of nodes and a reference 3-D mesh, which includes a plurality of shell elements, mapping the 3-D reference mesh into a 2-D parametric plane, wherein the 2-D parametric mesh includes a plurality of integration cells corresponding to the plurality of shell elements, solving structural responses at current solution cycle using mesh-free mathematical approximations pertaining to each of the plurality of integration cells, performing adaptive discretization refinement for the plurality of the integration cells.
    • 披露了一种适用于离散化壳体结构的方法,系统和计算机程序产品。 自适应无网格模型基于将关键区域划分为更精细模型的技术。 本发明是一种在时域分析中实现自适应无网壳结构的方法,该方法包括:通过包括多个节点和参考3-D网格的结构几何描述文件来定义无网孔的壳结构 ,其包括多个壳单元,将所述3-D参考网格映射到2-D参数平面中,其中所述2-D参数网格包括对应于所述多个壳单元的多个积分单元,在当前解决结构响应 求解循环,使用与所述多个积分单元中的每一个相关联的无网格数学近似,对所述多个积分单元执行自适应离散化细化。
    • 95. 发明申请
    • AUDIO DEVICE AND AUDIO INPUT/OUTPUT METHOD
    • 音频设备和音频输入/输出方法
    • US20100054500A1
    • 2010-03-04
    • US12548968
    • 2009-08-27
    • Chung-Hang TSAIWei-Cheng Tang
    • Chung-Hang TSAIWei-Cheng Tang
    • H03F99/00
    • H03F1/305H03F3/72H03F2200/03H03F2203/7206
    • An audio device and an audio input/output method are described, which is coupled to an audio port, and includes a capacitor, a load, an output amplifying module, and an input amplifying module. The capacitor and the load are coupled to the audio port. The output amplifying module is operated at a first working voltage, for outputting a first audio signal to the audio port. A direct current (DC) level of the first audio signal is substantially zero volts. The input amplifying module is operated at a second working voltage, in order to receive a second audio signal from the audio port. When the audio port is in an output state, the output amplifying module is enabled and the input amplifying module is disabled, and when the audio port is in an input state, the input amplifying module is enabled and the output amplifying module is disabled.
    • 描述了音频设备和音频输入/输出方法,其耦合到音频端口,并且包括电容器,负载,输出放大模块和输入放大模块。 电容器和负载耦合到音频端口。 输出放大模块以第一工作电压工作,用于将第一音频信号输出到音频端口。 第一音频信号的直流(DC)电平基本为零伏特。 输入放大模块以第二工作电压工作,以便从音频端口接收第二音频信号。 当音频端口处于输出状态时,输出放大模块使能,输入放大模块被禁止,当音频端口处于输入状态时,输入放大模块使能,输出放大模块被禁止。
    • 97. 发明授权
    • Interlock door switch
    • 联锁门开关
    • US07525054B2
    • 2009-04-28
    • US11428483
    • 2006-07-03
    • Say Hwee NgTian Cheng Tang
    • Say Hwee NgTian Cheng Tang
    • H01H3/30
    • H01H13/186H01H13/503H01H13/506
    • A switch for switching between two electrical circuits is disclosed. The switch has a first connector that is electrically couplable to a first electrical circuit and a second connector that is electrically couplable to a second electrical circuit. The switch also has a first contact point adapted for electrically coupling the first connector to the first electrical circuit and a second contact point for electrically coupling the second connector to the second electrical circuit. The switch further includes an actuator for actuating the first and second connectors, wherein when the actuator is actuated to a first position, the first connector is electrically coupled to the first contact point while the second connector is electrically decoupled from the second contact point to thereby electrically close the first electrical circuit and electrically open the second electrical circuit, and when the actuator is actuated to a second position, the second connector is electrically coupled to the second contact point while the first connector is decoupled from the first contact point to thereby electrically close the second electrical circuit and electrically open the first electrical circuit.
    • 公开了用于在两个电路之间切换的开关。 开关具有可电连接到第一电路的第一连接器和可与第二电路电耦合的第二连接器。 开关还具有适于将第一连接器电耦合到第一电路的第一接触点和用于将第二连接器电耦合到第二电路的第二接触点。 开关还包括用于致动第一和第二连接器的致动器,其中当致动器被致动到第一位置时,第一连接器电耦合到第一接触点,同时第二连接器与第二接触点电分离,从而 电闭合第一电路并电气打开第二电路,并且当致动器被致动到第二位置时,第二连接器电耦合到第二接触点,同时第一连接器与第一接触点分离,从而电 关闭第二个电路并电开第一个电路。
    • 98. 发明授权
    • Method and system for mesh-free analysis of general three-dimensional shell structures
    • 一般三维壳结构的无网格分析方法与系统
    • US07499050B2
    • 2009-03-03
    • US10990003
    • 2004-11-16
    • Cheng-Tang WuYong Guo
    • Cheng-Tang WuYong Guo
    • G06T17/00G06F7/60G06F17/10
    • G06F17/5018
    • A method, system and computer program product pertained to engineering analysis of a general three-dimensional (3-D) shell structure using the mesh-free technique is disclosed. The structural responses are solved with mesh-free technique after the 3-D shell structure is mapped to a two-dimensional plane. According to one aspect, the present invention is a method for mesh-free analysis of a general three-dimensional shell structure, the method comprises: defining the general shell structure as a physical domain represented by a plurality of nodes in a three-dimensional space, creating a plurality of projected nodes by mapping the plurality of nodes in the three-dimensional space onto a two-dimensional plane, assigning a plurality of domain of influences, one for each of the plurality of projected nodes, and calculating a solution of the physical domain using a set of mathematical approximations pertaining to each of the plurality of projected nodes.
    • 公开了一种使用无网格技术对一般三维(3-D)壳结构进行工程分析的方法,系统和计算机程序产品。 在将三维壳结构映射到二维平面之后,结构响应由无网格技术解决。 一方面,本发明是一种一般三维壳结构的无网格分析方法,该方法包括:将一般壳结构定义为由三维空间中的多个节点表示的物理域 通过将所述三维空间中的所述多个节点映射到二维平面上来创建多个投影节点,分配多个影响域,所述多个影响域针对所述多个投影节点中的每一个,并且计算所述多个投影节点的解 物理域使用与多个投影节点中的每一个有关的一组数学近似。