Under his leadership, SolidWorks grew to a $100 million revenue company. Jon Hirschtick stayed on board for the next 14 years in various roles. In 1997 Dassault, best known for its CATIA CAD software, acquired SolidWorks for $310 million in stock. Operating later from Concord, Massachusetts, SolidWorks released its first product SolidWorks 95, in November 1995.
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Initially based in Waltham, Massachusetts, United States, Hirschtick recruited a team of engineers with the goal of building 3D CAD software that was easy-to-use, affordable, and available on the Windows desktop. Hirschtick used $1 million he had made while a member of the MIT Blackjack Team to set up the company. Gyration_radii = (moments_of_inertia/body_mass) 1/2SolidWorks Corporation was founded in December 1993 by Massachusetts Institute of Technology graduate Jon Hirschtick. Product_of_inertia YZ,XZ = mass * dist centroid_to_YZ * dist centroid_to_XZĪnother way of indicating the moments of inertia of a solid.
Mass moments of inertia unit is mass (grams or slugs) times the distance squared. Mass_moments_of_inertia = object_mass * radius axis 2 The formula for mass moments of inertia is The mass moments of inertia, which is used when computing the force required to rotate an object about a given axis, such as a wheel rotating about an axle. The diagonally opposite corners of a 3D box that encloses the solid.Ī 3D point that is the center of mass for solids. The amount of 3D space that a solid encloses. The density is always a value of 1.00, so the mass and volume have the same value. A third value included in the results is somewhere between the high and low values. The moment of inertia is lowest through the second axis that is normal to the first axis and that also passes through the centroid. The moment of inertia is highest through a certain axis at the centroid of an object. Principal moments and X,Y,Z directions about centroidĬalculations that are derived from the products of inertia and that have the same unit values. Radii of gyration are expressed in distance units. Gyration_radii = (moments_of_ inertia/body_mass) 1/2 This XY value is expressed in mass units times the length squared.Īnother way of indicating the moments of inertia of a 3D solid. Product_of_inertia YZ,XZ = mass * centroid_to_YZ * dist centroid_to_XZ The formula for product of inertia for the YZ plane and XZ plane is It is always calculated with respect to two orthogonal planes. Property used to determine the forces causing the motion of an object. The area moments of inertia has units of distance to the fourth power.
The formula for determining area moments of inertia isĪrea_moments_of_inertia = area_of_interest * radius 2 If the regions are coplanar with the XY plane of the current UCS, the additional properties shown in the following table are displayed.Īdditional mass properties for coplanar regionsĪ value used when computing the distributed loads, such as fluid pressure on a plate, or when calculating the forces inside a bending or twisting beam. For regions that are not coplanar with the XY plane of the current UCS, this coordinate is a 3D point. For regions that are coplanar with the XY plane of the current UCS, this coordinate is a 2D point. For regions that are not coplanar with the XY plane of the current UCS, the bounding box is defined by the diagonally opposite corners of a 3D box that encloses the region.Ī 2D or 3D coordinate that is the center of area for regions. For regions that are coplanar with the XY plane of the current user coordinate system, the bounding box is defined by the diagonally opposite corners of a rectangle that encloses the region. The two coordinates that define the bounding box. The perimeter of a 3D solid is not calculated. The total length of the inside and outside loops of a region. The surface area of 3D solids or the enclosed area of regions.
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