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A volume is a geometry object containing the visualization of one or more closed 3D shapes, called blocks. A volume is defined by a minimum of two non-overlapping surfaces and one region. Additional regions will result in a volume with multiple blocks. Additional surfaces will result in a volume with multiple layers. A simple volume with three surfaces and two regions illustrates this concept, shown below.


When a volume is created, the user is prompted for the bounding parameters for that volume. Refer to the next section for more information.


A volume is required to create an SVOFFICE numerical model file. Please refer to the numerical model creation section for more details.