what is solidworks ? SolidWorks is a popular 3D computer-aided design (CAD) software that is used for creating and designing complex models and assemblies in mechanical engineering, product design, and other industries. It is developed by Dassault Systèmes, a French software company that also owns other popular software such as CATIA and SIMULIA. SolidWorks provides a range of tools and features for creating 3D models, such as sketching, surface modeling, solid modeling, sheet metal design, and assembly modeling. It allows users to simulate and analyze the performance of their designs before manufacturing, including motion analysis, finite element analysis (FEA), and computational fluid dynamics (CFD). It also supports collaboration and sharing of designs with other users through various formats such as STEP, IGES, and STL. SolidWorks is known for its user-friendly interface and intuitive design, which makes it easy for beginners to learn and use. It is widely used in industries such a
Chemistry The Solid State
The solid state is the solid state of matter in which the constituent particles are closely packed in the lattice and are unable to move. They can only vibrate along their axes.
Classification of solids :
1. Crystalline solids
2. Amorphous solids
Classification of crystalline solids:
1. Molecular solids
2. Ionic solids
3. Covalent solids
4. Metallic solids
X - ray Differation by Crystal:
Bragg Equation :
Space Lattice and Unit Cell :
Space Lattice or crystal lattice or lattice --- Three dimension arrangement
Unit Cell : Unit cell is the smallest three dimensional group of lattice point which, when repeated in three dimentions in space, gives the whole lattice of the crystal.
Types of Unit Cell :
1. Primitive or Basic cell - known as seven crystal lattice.
(1) Cubic or isometric system
(2) Tetragonal system
(3) Orthogonal system
(4) Rhombohedral system
(5) Monoclinic system
(6) Hexagonal system
2. Face centered unit cell
3. Body centered unit cell
4. Side centered unit cell
Different type of Cubic system :
1. Simple cubic system
2. Body centered cubic system
3. Face centered cubic system
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