Dynamic Storage Time series of slender system response must be stored in binary or hdf5 format if they are to be explored or post-processed in SIMA. The following results may be stored from dynamic analysis: 1. Displacements Stores nodal displacement time series in the global coordinate system. For each specified node, the following is stored Displacement in global x - direction Displacement in global y - direction Displacement in global z - direction 2. Force response The following is available for the specified elements: Time series of element cross-sectional forces and moments in the local element coordinate system. See Sign convention for internal loads and Local Element Axis for details. Transformation matrices for the local element coordinate system, see Transformation Matrix and Calculation of Angles for details. 2.1. Beam elements For each specified beam element, the following is stored Axial force. This is the effective tension in the element. Torsional moment Moment about local y-axis, element end 1 Moment about local y-axis, element end 2 Moment about local z-axis, element end 1 Moment about local z-axis, element end 2 Shear force in local y-direction, element end 1 Shear force in local y-direction, element end 2 Shear force in local z-direction, element end 1 Shear force in local z-direction, element end 2 2.2. Bar elements For each specified bar element, the following is stored Axial force. This is the effective tension in the element. 3. Force transformations The stiffness forces and moments as experienced by the element nodes can be calculated and stored in the global system. The calculation procedure is similar to the calculation of the support forces, see Support Force Calculations in the Theory Manual. 4. Sum force response The following is available for the specified elements: Time series of the sum of material + damping + inertial axial force for specified elements. 5. Curvature response The following is available for the specified elements: Time series of curvature for specified elements For each specified element, the following is stored Curvature about local y-axis, element end 1 Curvature about local y-axis, element end 2 Curvature about local z-axis, element end 1 Curvature about local z-axis, element end 2 Curvature is stored for beam elements only. 6. Envelope curves Key results for each line e.g. displacement, element force and curvature. Useful for getting an overview of the response of the structure. Different amounts of statistics may be selected: Minimum, maximum and standard deviation Minimum, maximum, standard deviation, mean value and mean-crossing periods Minimum, maximum, standard deviation, mean value, mean-crossing periods, skewness and kurtosis For displacements, only the statistics for the dynamic response is stored, i.e. the static value is not included in the statistics. For element forces and curvatures, the statistics are stored for the total response, i.e. the static value is included in the statistics. Zero shear forces and moments will be reported for bar elements. Zero curvature will be reported for bar elements. If no beam elements are defined in the model, curvature envelope curves will not be available. 7. Stress storage The following is available for the specified elements: Calculate stresses for circular cross-sections based on element forces and moments and specified cross-sectional properties. The calculation is similar to the Pipe Stress operation in the SIMA Port Processor. 8. Wave kinematics Wave kinematics at the kinematics nodes may be stored for irregular analysis. Pre-generated or updated kinematics depending om the choice of Kinematics position in Irregular Analysis. For each kinematic node, the following is stored: Wave elevation Fluid velocity, global X-direction Fluid velocity, global Y-direction Fluid velocity, global Z-direction Fluid acceleration, global X-direction Fluid acceleration, global Y-direction Fluid acceleration, global Z-direction Fluid dynamic pressure 9. Turbine response Results may be stored for selected wind turbines. A description of the stored results may be found in Wind Turbine → Wind turbine results. 10. Turbine blade response The following is available for the specified turbine blade elements: Results may be stored for specified blades. A description of the stored results may be found in Wind Turbine → Blade results. 11. Support vessel results Support forces are reported for all supernodes attached to the specified support vessel or SIMO body. Forces may be stored in either the global coordinate system or in the support vessel or body coordinate system. If more than one line is connected to a supernode, the resultant forces acting on the vessel or body are also reported. For details, see Support Force Calculations in the Theory Manual. 12. Hydrodynamic loads Time series of hydrodynamic loads may be stored for selected beam and bar elements. 12.1. Minimum level of storage The following will be stored for each specified beam element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load moment around global x, y and z axes at end 1 Hydrodynamic load in global x, y and z directions at end 2 Hydrodynamic load moment around global x, y and z axes at end 2 In total, 12 results for each beam element. The following will be stored for each specified bar element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load in global x, y and z directions at end 2 In total, 6 results for each bar element. 12.2. Medium level of storage - time domain VIV loads only The following will be stored for each specified beam element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load moment around global x, y and z axes at end 1 Hydrodynamic load in global x, y and z directions at end 2 Hydrodynamic load moment around global x, y and z axes at end 2 Relative velocity in global x, y and z directions, average of the values at the ends VIV load contribution in global x, y and z directions, average of the values at the ends In total, 18 results for each beam element. The following will be stored for each specified bar element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load in global x, y and z directions at end 2 Relative velocity in global x, y and z directions, average of the values at the ends VIV load contribution in global x, y and z directions, average of the values at the endss In total, 12 results for each bar element. 12.3. Maximum level of storage - time domain VIV loads only The following will be stored for each specified beam element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load moment around global x, y and z axes at end 1 Hydrodynamic load in global x, y and z directions at end 2 Hydrodynamic load moment around global x, y and z axes at end 2 Relative velocity in global x, y and z directions, end 1 Relative velocity in global x, y and z directions, end 2 Morison load contribution in global x, y and z directions at end 1 Morison load contribution moment around global x, y and z axes at end 1 Morison load contribution in global x, y and z directions at end 2 Morison load contribution moment around global x, y and z axes at end 2 Cross-flow VIV load contribution in global x, y and z directions, end 1 Cross-flow VIV load contribution in global x, y and z directions, end 2 In-line VIV load contribution in global x, y and z directions, end 1 In-line VIV load contribution in global x, y and z directions, end 2 Higher order VIV load contribution in global x, y and z directions, end 1 Higher order VIV load contribution in global x, y and z directions, end 2 In total, 48 results for each beam element. The following will be stored for each specified beam element: Hydrodynamic load in global x, y and z directions at end 1 Hydrodynamic load in global x, y and z directions at end 2 Relative velocity in global x, y and z directions, end 1 Relative velocity in global x, y and z directions, end 2 Morison load contribution in global x, y and z directions at end 1 Morison load contribution in global x, y and z directions at end 2 Cross-flow VIV load contribution in global x, y and z directions, end 1 Cross-flow VIV load contribution in global x, y and z directions, end 2 In-line VIV load contribution in global x, y and z directions, end 1 In-line VIV load contribution in global x, y and z directions, end 2 Higher order VIV load contribution in global x, y and z directions, end 1 Higher order VIV load contribution in global x, y and z directions, end 2 In total, 36 results for each bar element. The added mass load contribution is not included in the stored loads. The total (excepting added mass) hydrodynamic loads are available for all hydrodynamic load models. 13. Bottom contact The following results may be stored: Bottom contact forces for selected elements Touch down point location and seafloor contact for TDP (touch down point) element and an additional selected number elements next to the TDP element. See illustrations in Arclength to TDP and Storage of sea floor forces 14. Body results The following can be stored Forces from slender system acting on the body Forces may be stored in either the global coordinate system or in the body system. Body results Available for bodies only The calculation of body results are similar to Support Force Calculations in the Theory Manual. 15. 3D visualization Dynamic response may be stores visualization. Two formats are available: SIMA 3D graphics (Default): The .ldat file may also be viewed with the SimVis program. VTF format: The .vtf file may then be visualized in programs such as Ceetron GLView and SESAM Xtract. 16. Wasim results export Export results from the simulation to files that can be read by Wasim. Wave components Motion, velocity and acceleration for selected body Point forces Available for bodies only Dynamic Loads Body Parameters