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87 <h1>About hypotheses</h1>
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89 <p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> <span style="font-weight: bold;"><B>Hypotheses</B></span> represent
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90 boundary conditions which will be taken into account at calculations of
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91 meshes or submeshes basing on geometrical objects. These hypotheses allow
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92 you to manage the level of detail of the resulting meshes or submeshes:
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93 when applying different hypotheses with different parameters you can preset
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94 the quantity of meshing elements which will compose your mesh. So, it
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95 will be possible to generate a rough or a more refined mesh or submesh.
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100 <p>In <span style="font-weight: bold;"><B>MESH </B></span>there are the following
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101 Basic Hypotheses (to introduce them, you operate numerical values):</p>
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103 <ul type="disc" class="whs2">
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105 <li style="list-style: circle; /*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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107 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm">1D Hypotheses</a> (for meshing of <span style="font-weight: bold;"><B>edges)</B></span>:</p></li>
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109 <ul type="disc" class="whs2">
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111 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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112 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#arithmetic_1D">Arithmetic 1D</a></p></li>
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114 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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115 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#Average_length">Average Length</a></p></li>
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117 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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118 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#deflection_1D">Deflection 1D </a></p></li>
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120 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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121 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#Number_of_elements">Number of segments</a></p></li>
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123 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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124 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#start_and_end_length">Start and end length</a></p></li>
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126 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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127 class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm#automatic_length">Automatic Length</a></p></li>
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130 <li style="list-style: circle; /*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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132 class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm">2D Hypotheses</a> (for meshing
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133 of <span style="font-weight: bold;"><B>faces)</B></span>: </p></li>
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136 <ol type="disc" class="whs4">
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138 <ul type="disc" class="whs2">
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140 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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141 class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm#max_element_area">Max Element Area</a></p></li>
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143 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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144 class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm#length_from_edges">Length from
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147 <li style="/*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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148 class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm#quadrangle preference">Quadrangle
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149 Preference</a></p></li>
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153 <ul type="disc" class="whs2">
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155 <li style="list-style: circle; /*begin!kadov{{*/ color: #000000; /*}}end!kadov*/ "
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157 class=kadov-p><p class="whs3">3D
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158 Hypothesis (for meshing of <span style="font-weight: bold;"><B>volumes)</B></span>:
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161 <ul type="disc" class="whs2">
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163 <li class=kadov-p><p><a href="max._element_volume_hypothsis.htm">Max
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164 Element Volume</a></p></li>
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170 <p>There also exist some <a href="non_conform_mesh_allowed_hypothesis.htm">Additional
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173 <ul type="disc" class="whs2">
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175 <ul type="disc" class="whs2">
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177 <li class=kadov-p><p>Propagation of 1D Hypothesis on opposite edges</p></li>
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179 <li class=kadov-p><p>Non conform mesh allowed</p></li>
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181 <li class=kadov-p><p>Quadratic mesh</p></li>
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187 <p>The choice of a hypothesis depends on:</p>
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189 <ul type="disc" class="whs2">
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191 <li class=kadov-p><p>the geometrical object (shape) which will be meshed</p></li>
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193 <li class=kadov-p><p>the algorithm, which will be selected for meshing
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194 of this geometrical object (shape)</p></li>
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