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Dimensional forces in history/screen and forces breakdown file |
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July 8, 2024, 06:48 |
Dimensional forces in history/screen and forces breakdown file
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#1 |
New Member
Tomas Perez Zapico
Join Date: Mar 2023
Posts: 17
Rep Power: 3 |
Hello,
I was wondering if it's possible to obtain the dimensional value of the forces directly in the screen/history output and in the forces breakdown file without having to multiply it by the reference factor given. Does anyone know how to do it? Thank you |
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July 8, 2024, 07:00 |
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#2 |
Senior Member
bigfoot
Join Date: Dec 2011
Location: Netherlands
Posts: 672
Rep Power: 21 |
Probably with custom outputs:
Code:
% User defined expressions of solver variables and other history outputs. % The syntax to define a custom output is 'name : type{expression}[markers]'. % NOTE: To obtain the list of available solver variables write an invalid % expression (e.g. 'x : AreaAvg{INVALID}[]') and run SU2. % Different outputs need to be separated by ";". The available types are: % - Macro: Introduces a new field that can only be used in other expressions, % it is not an output by itself (note the "$" symbol to reference macros). % - Function: Introduces a new scalar output that is a function of other scalar % outputs, it cannot reference fields (e.g. velocity). % - AreaAvg and AreaInt: Computes an area average or integral of a field (the % expression) over the list of markers. % - MassFlowAvg and MassFlowInt: Computes a mass flow average or integral. % - Probe: Evaluates the expression using the values of the mesh point closest % to the coordinates specified inside "[]", [x, y] or [x, y, z] (2 or 3D). % NOTE: Each custom output can only use one type, e.g. it is not possible to % write 'p_drop : AreaAvg{PRESSURE}[inlet] - AreaAvg{PRESSURE}[outlet]'. This % would need to be separated into two AreaAvg outputs and one Function to % compute their difference. CUSTOM_OUTPUTS= 'velocity : Macro{sqrt(pow(VELOCITY_X, 2) + pow(VELOCITY_Y, 2) + pow(VELOCITY_Z, 2))};\ avg_vel : AreaAvg{$velocity}[z_minus, z_plus];\ var_vel : AreaAvg{pow($velocity - avg_vel, 2)}[z_minus, z_plus];\ dev_vel : Function{sqrt(var_vel) / avg_vel};\ probe1 : Probe{$velocity}[0.005, 0.005, 0.05]' % % "COMBO" is the name and group of the output for the objective function % (regardless of definition). "CUSTOM" is the group for all custom outputs. SCREEN_OUTPUT= INNER_ITER, RMS_DENSITY, RMS_ENERGY, LINSOL_RESIDUAL, FORCE_Z,\ SURFACE_MASSFLOW, SURFACE_TOTAL_TEMPERATURE, avg_vel, dev_vel, probe1, COMBO HISTORY_OUTPUT = ITER, AERO_COEFF, FLOW_COEFF, FLOW_COEFF_SURF, CUSTOM, COMBO |
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