feflow_user_manual_classic.pdf

Figure 62 simulator run cbcilt skm äëëáå ? tt

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Figure 6.2 Simulator run.
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cbcilt SKM `ä~ëëáÅ ö TT SKN fåíêçÇìÅíáçå For combined flow and transport problems, additional windows are available: the histories of averaged concen- tration at adjacent flux- occupied boundary sec- tions (galleries, wells) and the breakthrough curves of concentration at the observation points . For nonlinear simulations (density-coupled, unsat- urated flow, unconfined aquifers), using a (Picard) fixed-point iteration scheme (for steady-state or tran- sient problems without predictor-corrector time-step- ping), an additional window, Error norm history , is automatically opened to follow the progress of the suc- cessive iterative solutions. It contains a plot and numer- ical output of the error norm history. In case of automatic time-step control the Time-step control window is opened to plot the evolution of computed time steps during the simulation. The windows can be moved, resized, or closed at any time during the simu- lation. Notice, however, that to maintain efficiency, the manipulated windows are updated infrequently, i.e., some numerical (inner) loops have to finish before the windows are refreshed. The optimal time for window manipulation is when the simulator halts • at the beginning and the end of a run, or • if the simulation is interrupted between time- steps. The Log messages window opens automatically if warnings or error messages are produced during the simulation session. The messages can be saved to a text file by clicking the right mouse button in the diagram. All the diagrams are completely customizable. It is possible to define the axes, to change the scaling and even to underlay the diagrams with imported graphs or analytic functions so that computed results can be com- pared with measurement data already during the simu- lation. SKNKNKN aá~Öê~ã ãÉåì A right-click on any of the diagrams invokes the diagram menu. The follow- ing entries are avail- able: Zoom : Switches to Zoom mode; the zoomer functions for the diagrams are similar to the FEFLOW zooming tool. Pan : Switches to Pan mode. One of these two modes is always active. The Zoom mode is indicated by a magnifying glass for the cursor while a hand is shown in Pan mode. Full : The diagram scaling is adjusted to the full extent of the curves. Adjust : If Adjust is selected the diagram scaling is adjusted to full sections of the axes. Tooltips : Choose this option to show single curve values as tooltips when moving the mouse arrow over the curves. Scatter plot : Load a point file to compare mea- sured and calculated values in a scatter diagram for the current time step. Save : Save the curve data in *.pow format.
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TU ö rëÉêÛë j~åì~ä J m~êí f SK páãìä~íçê Properties : Invokes the ’FEFLOW diagram prop- erties’ window described below.
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