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History Query

Overview

A History Query in RS2 is a user-defined point anywhere on the model, on which the historical data can be interpolated in the RS2 Compute dialog when launching Compute. For a model, RS2 Compute module does not automatically output data for all mesh nodes. The History Query option allows users to specify key location(s) for the development of data change over the simulation. Three types of data are available: displacement, pore pressure, and temperature (coming soon). A History Query must be added in the modeler after Mesh, and before Compute.

Add History Query

History queries can be specified as individual points within the solid material. Note that History Query can only be added after Mesh. Steps are as followed.

  1. Select the Add History Query Add History Query option from the Analysis menu.
  2. Use the mouse or enter coordinate to locate a query.
  3. Use the mouse to enter a point graphically or enter x,y coordinates in the prompt line. Hit Enter or Esc key. A History Query point will be added to the model. The item will be added under the Mesh Group in the Model Items.
  4. History query under work items

  5. Repeat step 1-3 to add more History Query points.
  6. After History Query points are defined, the historical data can be viewed in the compute dialog when Compute compute icon is launched. See View History Query Data section for detail.

Any number of History Query points can be defined. History query points are displayed as light blue circles with label names of “HQ #” (# is the default number) through all tabs and stages in the model. Hover the mouse over the History Query point, and the name and coordinates will display.

Edit History Queries

Select the History Query entity under Model Items. The Properties section for History Query will display underneath, users can change the label name.

History query properties section

Delete History Query

To delete History Query point(s), there are two ways.

  1. Right click on the History Query point in the model and select Delete history query.
  2. Select the Remove History Query delete history query button option from the Analysis menu. Use the mouse to select one or more History Query point(s), hit the Enter key to complete.

View History Query Data

The history charts for the History Query can be viewed in the RS2 Compute dialog when Compute is launched. History Query points must be defined prior in the modeler with the Add History Query option.

The history data are time-dependent for users to observe the data development at a specific location over the simulation. Three types of time references can be chosen from: Load Percentage Stage, Stage Number, and SRF. Three data types are available: History of displacement, History of pore pressure change, and History of temperature change (enabled only with thermal analysis, which is a feature coming soon in RS2).

To view History Query data, follow the steps below:

  1. After constructing the model, select Compute from the Analysis menu.
  2. In the RS2 Compute dialog that pops up, make sure the Current Progress tab is selected.
  3. The History Graphs section is on the right side of the dialog. The defined History Queries can be found under the Plot dropdown list. Select one History Query point from Plot.
  4. Select the Y-axis from one the three options: Load Percentage Stage, Stage Number, and SRF.
  5. History Graphs section

  6. Three types of History Graphs will be presented below: History of displacement, history of pore pressure change, and history of temperature change (coming soon).

RS2 Compute dialog with history graphs

Hit: Users can use the Pause option to customize History Graphs with sufficient time.

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