commit b894990e3dac2898bbb1ca477810c6e2b50cc5c5
parent 2f688f025c2bbe6cf786b68667bc8c8c46ba1ee1
Author: Vincent EYMET <vincent.eymet@meso-star.com>
Date: Fri, 11 Dec 2020 10:49:35 +0100
Correction de 2 paragraphes
Diffstat:
| M | readme.md | | | 58 | ++++++++++++++++++++++++++++------------------------------ |
1 file changed, 28 insertions(+), 30 deletions(-)
diff --git a/readme.md b/readme.md
@@ -150,50 +150,48 @@ generated using the **T_BOUNDARY_FOR_SOLID** keyword for this boundary.
# The heatsink
-This example is more complex than the previous cube. It represents an electronic
-device with a heatsink.
+This example is more complex than the previous one. It represents an electronic
+chip with its heatsink.
-Reading the file **model.txt**, you will see the model is composed of three
-media: the heasink, the chip which dissipates heat and an interface material
+As mentioned in the **model.txt** file, the model is composed of three
+media: the heasink, the chip that produces heat and an interface material
between the heatsink and the chip.
-The script **run_medium_computation.sh** launches stardis to compute the mean
-temperature in the *chip* at the steady state. It will create also the geometry
+The **run_medium_computation.sh** script launches stardis to compute the mean
+temperature in the *chip* at steady state. It will also create the geometry
in vtk format.
-The script **run_medium_computation_multiple.sh** does the same computation for
-the model described in the file **model_multiple.txt**. This is an assembly of
-50 previous electronic devices.
-
-You will notice the computation time will not be 50 times greater. It will be of
-the same order.
+The **run_medium_computation_multiple.sh** script does the same computation for
+the model described in file **model_multiple.txt**. This is an assembly of
+50 similar electronic devices; the computation time will not be 50 times greater:
+it will be of the same order of magnitude.
# The porous medium
-With the last example, we show an original feature: the infrared rendering.
-Indeed stardis is able to render a scene in infrared without the knwoledge of
-the temperature field. The radiative paths beginning from the camera will
+With this last example, we show an original feature: infrared rendering.
+Stardis is able to render a scene in the infrared without the knwoledge of
+the temperature field. The radiative paths that begin at the camera will
propagate alternately in conductive, convective and radiative path until
-reaching a boundary condition (or initial condition in non-stationnary case).
+reaching a boundary condition (or a initial condition in a non-stationnary case).
-The script **run_IR_rendering.sh** is an example to launch stardis in rendering
-mode. The scene is an idealized porous medium above a reflective plate. In the
-"USER PARAMETER SECTION", you can change some parameters like the size of image
+The **run_IR_rendering.sh** script provides an example to launch stardis in rendering
+mode. The scene is an idealized porous medium above a reflective plane. Some parameters
+can be modfied in the "USER PARAMETER" section, such as the resolution of the image
and the number of samples per pixel. For each pixel of the image, the luminance
-is computed by Monte-Carlo and the number of realisations is this number of
-sample per pixel. So to compute an high-defition rendering without statistical
-noise, this can take a long time (many hours). The default parameters in the
-script are such the computationnal time is about a dozen minutes on a correct
-desktop computer.
+is computed by Monte-Carlo and the number of realizations is the specified number of
+samples per pixel. Computing a high-defition image with little statistical
+noise can therefore take a long time (many hours). The values of the parameters
+that are provided in the script should result in a computationnal time of about a
+dozen minutes on a correct desktop computer.
-You can refer to the stardis man page for more information about the rendering
-mode like the point of view parameters.
+More information about the rendering is provided in the stardis man page (such as the
+parameters associated with the point of view).
-Acknowledgement to Cyril Caliot which designed the porous model for the Optisol
+Acknowledgement to Cyril Caliot who designed the porous model for the Optisol
project (ANR-11-SEED-0009, PROMES-CNRS, CIRIMAT, SICAT, LTN). This model
-represents an ideal metallic or SiC foams. This type of foam is used in the
-design of heat exchangers in concentrated solar processes to transfer the energy
-of the incoming sunlight radiation to a working fluid.
+represents an ideal metallic or SiC foam. This type of foam is used in the
+design of heat exchangers in concentrated solar processes, in order to transfer
+incoming solar radiation energy to a working fluid.
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