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SolidWorks 2009 Full 22 BEST

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3DEXPERIENCE World 2022 will be virtual again, like last year, and we are carrying on the legacy of Model Mania. Similar to last year, with this virtual challenge, to keep things simple, there will be no phase 2, just model the part and run a quick simulation analysis. All contestants will use their own license of SOLIDWORKS, and any version will be accepted. You can use either your full license of Simulation, or SimulationXpress to determine the factor of safety. If you use SimulationXpress, be sure that it is activated before the challenge. If you have never used SimulationXpress, be sure to check out this tutorial.

Introduced in SolidWorks 2010, this is a quick interface for executing commands by simply dragging the mouse while holding the right mouse button. While this is fully customizable, by default, in a part and assembly mode, the mouse gestures are set up to switch to the standard orthogonal views. I won't go into any detail here but will talk about mouse gestures in a future post. The detailed help on mouse gestures is available here.

Hopefully I documented most of the default ways that you can manipulate the model view in SolidWorks. Of course, you can get additional hardware that can also manipulate the model and can increase your productivity even more. If I have missed any common ways to manipulate the model view, please comment and I will update the blog post.

New in SolidWorks 2009 is the Sketch Slot feature. This sketch entity allows you to quickly create both Straight Slots and Arc Slots in a variety of creation methods. When you use this type of sketch entity and an Extrude Boss or Cut is created from it, a temporary axis is created not only at the arc center points, but also at the center point of the slot. The PropertyManager for the Slot sketch entity is shown below.

Typical knee joint mechanics and muscle activity during walking (subject mass = 58 kg; speed = 1.3 m/s; step frequency = 1.8 Hz. Data from [24, 25]). A) Knee joint angle where 180 degrees is full knee extension. B) Knee joint angular velocity using the convention that positive angular velocity is motion in the extension direction. C) Knee joint torque with the convention that extensor muscle torques are positive. D) Knee joint power. E) Rectified and filtered electromyograms (EMG) from one knee flexor muscle (solid line) and one knee extensor muscle (dashed line).

It is difficult, however, to interpret muscle function from joint power alone [27]. This is for three main reasons. First, all joints are spanned by muscles that generate forces to oppose each other and these muscles can be simultaneously active. Thus, net positive joint power can result from positive and negative power production by opposing muscles. Using a generator to resist the motion of a joint may usefully assist the negative power producing muscles, even in the presence of net positive joint power. Second, muscles often cross multiple joints. An isometric muscle, or even one that is generating net positive power, may contribute to negative joint power at one joint while it simultaneously generates positive joint power at other joints [27]. Resisting the motion of a negative power producing joint may ultimately increase the positive mechanical power required of the muscles that span that joint. Third, tendons and other connective tissue can store and return elastic energy [28]. Negative joint power may be due to this elastic tissue storing mechanical power for later use. Using a generator to resist joint motion may interfere with this storage and ultimately increase the positive work required of muscle. As a consequence of the complicated physiology, claims regarding the appropriate joint and timing for exploiting generative braking are best viewed as predictions until tested experimentally.

For a given generator and transmission topology, it is necessary to carefully choose system parameters in order to maximize electrical power generation without adversely affecti


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