# SiteMap Page 46

Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 Next

# POLYFLOW - How can I calculate the relative die balancing?

<br>Is it possible to quantify the die balancing by means of a function that varies between 0 and 1?<br>The die balancing function defined in POLYFLOW is given...

# POLYFLOW - Syntax of basic CLIPS command for UDF (numbers, add, function, print, etc.)

What is the syntax of basic commands in CLIPS language, used for defining UDF in POLYFLOW? In particular, how can one define a sum, an exponential? How to print the result of a UDF function for...

# FLUENT 6 - how to print the current date and time from within a User Defined Function (UDF)

This solution provides a sample UDF that shows how to print the current date and time according to a specified format. It uses the "strftime" utility that is available on UNIX and...

# MIXSIM 2.0 - Meshing operation fails with a relocation error from GAMBIT on SuSE 9.1 LINUX platform

MIXSIM 2.0 has a built-in version of GAMBIT to handle meshing operations.<br>On Linux; SuSE 9.1, and probably other recent Linux versions,<br>the built-in GAMBIT version doesn't...

# FLUENT - Launching FLUENT for Pre and Post Processing

You have just received a license for FLUENT for pre and post processing. You have installed FLUENT and attempt to start up FLUENT but you receive a licensing error.<br>Running FLUENT for pre...

# FLUENT 6 - How to read multiple mesh files that each contain a part of the calculation domain and fuse them within FLUENT

The desired calculation domain may sometimes be created and meshed in several parts resulting in more than one mesh file. These separate mesh files (parts) need to be put together for the flow...

# FLUENT 6 - Utility to check if convergence has been reached with the current data without having to iterate

This solution provides a simple Scheme function that will enable the user to check if convergence has been attained with the solution in the currently loaded data file without having to iterate...

# FLUENT - Cause and workaround for the error "Error message from graphic function Show_Device_Info: Server doesn't have GLX extension"

When trying to display remotely using X you receive the following error:<br><br>Error message from graphic function Show_Device_Info: Server doesn't have GLX...

# FIDAP 8.7 - Workaround for the error "The dynamic library HCLGLX.dll cannot be found in the path specified" when launching older versions of FIDAP on the Windows platform after V8.7.4 is installed

When trying to run a previous version of Fidap using the -v flag after you install Fidap 8.7.4 you receive an error that the dynamic library HCLGLX.dll cannot be found in the path...

# GAMBIT - error statement during startup: XIO: Fatal IO Error (No Errors)

When trying to launch GAMBIT 2.2.30, Exceed starts up but gives the following error and GAMBIT fails to launch:<br><br>XIO: Fatal IO Error (No Errors) on X server...

# POLYFLOW - how to prevent a conflict in a temperature boundary condition?

Let us consider a non-isothermal flow where an inlet temperature Ti is imposed, while a temperature Tw is imposed on an adjacent wall. A conflict may exist at the intersection point between the...

# FLUENT 6.2 - Error in Tecplot export file for cases with unstructured meshes and suggested workaround

If users have Unstructured mesh, they will have problems in reading files exported from FLUENT (FLUENT v6.2.16) in Tecplot format (in Tecplot 9.0).<br><br>If user tries to open the...

# POLYFLOW - Extrusion case: despite swelling, why does the cross section decrease?

An extrusion case is defined, and seems to run properly. However, although swelling is observed, the extrudate cross section decreases in the downstream direction. Why?<br>Presumably it...

# POLYFLOW - How to run the software in parallel?

What environment variables should be set for running POLYFLOW in parallel mode?<br>A parallel run of POLYFLOW can easily be started from POLYMAN in which a menu allows to set the number of...

# FLUENT V6 - Possible cause and resolution for the message: "Warning: no x, y or z points specified in profile"

When reading a profile into FLUENT a warning message is displayed<br><br>Warning: no x, y or z points specified in profile<br>When reading profile files, FLUENT looks for the x,...

Although the calculation seems to perform properly, files Bad_mesh.flum and Bad_mesh.flur are created. Why?<br>When a 2D free surface calculation is defined, the trouble may also appear if...

# POLYFLOW - Why does the free surface exhibit some wiggles, in saw teeth?

When running a 2D free surface flow, it may happen that the calculation converges, but the free surface may exhibit wiggles like a saw with one or more teeth. In axisymmetric situations, radial...

# FLUENT 6.2 - air handler boundary condition (recirculation with multiphase and species)

In an agent dispersion simulation, it may be necessary to implement recirculation boundary conditions that handle different species and/or different phases...

# FLUENT 6.2 - SST k-omega model gives slightly different results than FLUENT 6.1

If you are running the SST k-omega turbulence model in FLUENT 6.2 and are not sure why the results are slightly different than what the k-omega SST model yielded in FLUENT 6.1, the following four...

# POLYMAN - How to display the listing file for a simulation?

The documentation states that a listing file will be automatically created if one launches POLYFLOW from within POLYMAN. However it does not appear to do so and it displays the message "No...

# FLUENT V6 - Implementing a droplet breakup model for steady dpm tracking

FLUENT can predict the trajectory of discrete phase particles using two approaches: steady and unsteady tracking. (see Solution 934 for additional information on these two DPM tracking...

# POLYFLOW - What are typical viscosity values (Bingham model) for Concrete?

Concrete is known to exhibit a yield stress. The viscosity should be suitably described by means of a Bingham model. What parameters can be selected?<br>Following information found in the...

# POLYFLOW - how to identify the parameters for a Bingham law?

Formally, the Bingham law is given by:<br> g-dot = 0, for T < Ty<br> T = visc . g-dot + Ty, for T > Ty<br>where T and g-dot are...

# POLYFLOW - how to deal with errors when running a parallel calculation that involves a user-defined function (UDF)

When running a simulation involving a UDF on two processors or more, the calculation may crash if the keyword FULLEVALUDF is invoked. The program can generate an error message such as<br> ...

# FLUENT V6 - Reading experimental/tabulated values of material properties or profiles

FLUENT provides for a variety of methods for specifying material properties, including polynomial functions, piece-wise linear functions, etc. User-defined functions can also be used to specify...