force create element_like beam

2. The BEAM statement implements a force in the same way the FIELD statement does, but the BEAM statement requires you to input only the values of the beam's physical properties, which Adams uses to calculate the matrix entries. For a force request, the forces returned are the forces the J marker exerts upon the I marker.

3. The constitutive equations shown above define the forces and moments exerted on the I marker. These forces and moments are due to relative displacements and velocities of the I marker with respect to the J marker. Because of force transfer, the reaction moments at the J marker are usually not the same as the applied moments at the I marker.

4. Normally, entity names are composed of alphabetic, numeric, or '_' (underscore) characters, and start with an alphabetic or '_' character. They may be of any length. For more information, see Using Extended Names. By enclosing the name in double quotes, you may use other printable characters, or start the name with a numeral. If a name contains characters, or starts with a numeral, you must always quote the name when entering it. Note that you can specify the parentage of an entity (e.g. what part "owns" a marker or a geometry element) when you CREATE it by changing the name. If you enter just the entity name, then the default parent will be assigned by Adams View. If you type in the full name, then you may override the default parent. In most cases, when creating an entity, Adams View will provide a default name. The default name that Adams View provides will specify the parentage that it has assumed. You may, of course, delete this name and use your own. The form of a full name is: "...._NAME.GRAND_PARENT_NAME.PARENT_NAME.ENTITY_NAME"

5. When you use the FILE ADAMS_DATA_SET WRITE command, Adams View writes an Adams data file for your model. Adams requires that each modeling element be identified by a unique integer identifier. If you use this parameter to specify a non-zero identifier, Adams View will use it in the corresponding statement in the Adams data file. You may also enter zero as an identifier, either explicitly or by default. The next time you write an Adams file, Adams View will replace the zero with a unique, internally generated identifier. Adams View will permanently store this identifier with the element just as if you had entered it yourself. Normally, you would let all identifiers default to zero, and Adams View would generate the identifiers for you. You are never required to enter a non-zero identifier. You only need to specify it if, for some reason, you wish to control the Adams file output.

6. By definition, the beam lies along the positive X axis of the J marker. You should compute IXX about the X axis of the J marker. Values for the Ixx parameter are:A REAL NUMBER GREATER THAN 0

7. By definition, the beam lies along the positive X axis of the J marker. You should compute IYY about the Y axis of the J marker.

8. By definition, the beam lies along the positive X axis of the J marker. You should compute IZZ about the Z axis of the J marker.

9. The y_shear_ratio is the area of the beam cross section divided by the area of the beam cross section that resists y-direction shear forces. If you want to neglect the deflection due to y-direction shear, set the ratio to zero.

10.   The z_shear_ratio specifies the shear area ratio in the z direction. This is the correction factor for shear deflection in the z direction for Timeshenko beams.

11.   Because the ‘matrix_of_damping _terms’ matrix is symmetric, you need to specify only one-half of it. The following matrix shows the values to input:

12.  The I and J markers will be automatically created at the location specified by the ‘location’ parameter on the I_PART_NAME and J_PART_NAME respectively. By default, you supply Cartesian (x, y, z) coordinates. You may use the 'defaults units coordinate_system_type =' command to change this convention. For example, selecting 'cylindrical' means you will subsequently be supplying r, theta, and z coordinates. Adams View applies your location coordinates in the coordinate system you identify with the RELATIVE_TO parameter. The default for the RELATIVE_TO parameter is the default coordinate system. (See the RELATIVE_TO parameter for this command).

13.  The I marker is oriented based on the J marker orientation and the requirements of the particular force being created. These markers are created automatically.

14.  You may enter either one or two locations to direct the axis. If you enter one location, the axis will point toward the location. If you specify two locations, the axis will be parallel to, and pointing the same way as the vector from the first location to the second. Note that this does not completely dictate the orientation of the coordinate system. Adams View will position the coordinate system with an arbitrary rotation about the axis. If you must completely control the coordinate system orientation, use ORIENTATION or IN_PLANE_ORIENTATION. By default, you direct the z-axis of the coordinate system. You may change this convention with the 'DEFAULTS ORIENT_AXIS_AND_PLANE AXIS_AND_PLANE_SETTING=' command. For example, selecting either X_AXIS_XY_PLANE or X_AXIS_XZ_PLANE means you will subsequently be directing the x-axis. The plane-convention setting does not affect this parameter. Adams View applies your location coordinates in the coordinate system you identify with the RELATIVE_TO parameter. The default for the RELATIVE_TO parameter is the default coordinate system.

15.  You may enter either two or three locations for the in_plane_orientation parameter. If you enter two locations, the axis will point toward the first location and the plane will fall on the second. If you specify three locations, the axis will be parallel to, and pointing the same way as the vector from the first location to the second and the plane will be parallel to the plane defined by the three locations. By default, you direct the z-axis of the coordinate system and locate the ZX plane. You may use the 'DEFAULTS ORIENT_AXIS_AND_PLANE AXIS_AND_PLANE_SETTING=' command to change this convention. For example, selecting X_AXIS_XY_PLANE means you will subsequently be directing the x-axis and locating the XY plane. Adams View applies your location coordinates in the coordinate system you identify with the RELATIVE_TO parameter. The default for the RELATIVE_TO parameter is the default coordinate system.