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          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b.0</e>
          <e type="operator" args="2">*</e>
          <e type="operand">d</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">ϕVc.min</e>
          <e type="operand">ϕVc</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Vu.max</e>
          <e type="operand">ϕVc.min</e>
          <e type="operator" args="2">&gt;</e>
          <e type="operand">d</e>
          <e type="operand">d</e>
          <e type="operand">Δd</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b.0</e>
          <e type="operand">2</e>
          <e type="operand">b.col</e>
          <e type="operand">d</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">h.col</e>
          <e type="operand">d</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">A.0</e>
          <e type="operand">b.col</e>
          <e type="operand">d</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operand">h.col</e>
          <e type="operand">d</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Vu</e>
          <e type="operand">σ.ult</e>
          <e type="bracket">(</e>
          <e type="operand">A.zap_f</e>
          <e type="operand">A.0</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">P.u</e>
          <e type="bracket">(</e>
          <e type="operand">σ.ult</e>
          <e type="bracket">(</e>
          <e type="operand">A.0</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Vu.max</e>
          <e type="operand">Vu</e>
          <e type="function" args="1">max</e>
          <e type="operator" args="2">:</e>
          <e type="operand">ϕVc</e>
          <e type="operand">ϕ</e>
          <e type="operand">0.53</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">β.c</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">f'c</e>
          <e type="function" args="1">sqrt</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="unit">Kg</e>
          <e type="operand" style="unit">cm</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b.0</e>
          <e type="operator" args="2">*</e>
          <e type="operand">d</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ϕ</e>
          <e type="operand">1.06</e>
          <e type="operator" args="2">*</e>
          <e type="operand">f'c</e>
          <e type="function" args="1">sqrt</e>
          <e type="operand" style="unit">Kg</e>
          <e type="operand" style="unit">cm</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b.0</e>
          <e type="operator" args="2">*</e>
          <e type="operand">d</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ϕ</e>
          <e type="operand">0.27</e>
          <e type="operator" args="2">*</e>
          <e type="operand">α.s</e>
          <e type="operand">d</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b.0</e>
          <e type="operator" args="2">/</e>
          <e type="operand">2</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">f'c</e>
          <e type="function" args="1">sqrt</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="unit">Kg</e>
          <e type="operand" style="unit">cm</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b.0</e>
          <e type="operator" args="2">*</e>
          <e type="operand">d</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">ϕVc.min</e>
          <e type="operand">ϕVc</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" args="9">line</e>
          <e type="function" args="2">while</e>
          <e type="operand">8</e>
          <e type="operand">1</e>
          <e type="function" args="10">line</e>
        </input>
      </math>
    </region>
    <region left="396" top="189" width="293" height="72" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>I don't know if the algorithm is ok, for instance taking a very low Δd it seems that ϕVc.min ≈ Vu.max. For that maybe you need to increase MaxIters.</p>
        </content>
      </text>
    </region>
    <region left="396" top="270" width="300" height="40" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>The trick abut f'c works just here, it could be not very general.</p>
        </content>
      </text>
    </region>
    <region left="396" top="315" width="183" height="24" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Adventages of using <span style="font-weight: bold;">for</span></p>
        </content>
      </text>
    </region>
    <region left="396" top="342" width="293" height="88" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>First, you can arrange the algorithm code in such way that not repeat calculations, in the sense that you don't need to evaluate ϕVc.min or max before the loop.</p>
        </content>
      </text>
    </region>
    <region left="396" top="441" width="263" height="56" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Second, you avoid infinity loops, limiting the number of avaible iterations in an easy way.</p>
        </content>
      </text>
    </region>
    <region left="396" top="504" width="293" height="40" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Also you can know how many iterations the code take</p>
        </content>
      </text>
    </region>
    <region left="441" top="549" width="92" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">iter</e>
        </input>
        <result action="numeric">
          <e type="operand">1000</e>
        </result>
      </math>
    </region>
    <region left="396" top="576" width="263" height="56" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>and check if it ends because the maximun iterations limit has been rached or because the break</p>
        </content>
      </text>
    </region>
    <region left="441" top="639" width="150" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">iter</e>
          <e type="operand">MaxIters</e>
          <e type="operator" args="2">&lt;</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region left="396" top="675" width="219" height="24" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Notice that one means "true"</p>
        </content>
      </text>
    </region>
    <region left="36" top="765" width="88" height="24" color="#000000" bgColor="#c0c0c0" fontSize="10">
      <math decimalPlaces="2" trailingZeros="true">
        <input>
          <e type="operand">d</e>
        </input>
        <result action="numeric">
          <e type="operand">50.80</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="180" top="765" width="142" height="39" color="#000000" bgColor="#c0c0c0" fontSize="10">
      <math decimalPlaces="1" trailingZeros="true">
        <input>
          <e type="operand">Vu.max</e>
        </input>
        <contract>
          <e type="operand" style="unit">Tn</e>
        </contract>
        <result action="numeric">
          <e type="operand">1.2</e>
          <e type="operand">10</e>
          <e type="operand">5</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="396" top="765" width="150" height="39" color="#000000" bgColor="#c0c0c0" fontSize="10">
      <math decimalPlaces="1" trailingZeros="true">
        <input>
          <e type="operand">ϕVc.min</e>
        </input>
        <contract>
          <e type="operand" style="unit">Tn</e>
        </contract>
        <result action="numeric">
          <e type="operand">1.4</e>
          <e type="operand">10</e>
          <e type="operand">6</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="36" top="819" width="315" height="24" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Notas acerca de las undiades (en español)</p>
        </content>
      </text>
    </region>
    <region left="36" top="855" width="637" height="56" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Lo que tu defines como Kg se llama kilopondio, y aún lo siguen usando los ingenieros civiles, aunque sigue en descenso. Puedes verlo en https://es.wikipedia.org/wiki/Kilopondio</p>
        </content>
      </text>
    </region>
    <region left="36" top="918" width="666" height="56" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Sin embargo ahí no dan una abreviatura. Las abreviaturas para kilopondio (kp) y tonelada fuerza (Mp = Mega pondio) las puedes encontrar en la página en inglés: https://en.wikipedia.org/wiki/Kilogram-force</p>
        </content>
      </text>
    </region>
    <region left="36" top="990" width="659" height="72" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Finalmente, para la unidad kgf/cm^2 (vamos, los 'kilos' de presión de toda la vida) también se llama atmósfera técnica, pues es muy parecido en valor a una atm de presión, o un barn. Puedes leer más de eso (y del kilopondio) aquí: https://es.wikipedia.org/wiki/Sistema_T%C3%A9cnico_de_Unidades</p>
        </content>
      </text>
    </region>
    <region left="36" top="1071" width="644" height="56" color="#000000" fontSize="10">
      <text lang="eng" fontFamily="Consolas" fontSize="10">
        <content>
          <p>Y si alguien te critica por andar citando la wikipedia, puedes responder que es interesante pues, podrá ser correcto o no lo que ahí esté, pero es lo que mucha gente piensa sobre el tema, y eso lo hace relevante.</p>
        </content>
      </text>
    </region>
    <region left="36" top="1152" width="60" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">Alvaro</e>
        </input>
      </math>
    </region>
    <region left="234" top="1152" width="257" height="26" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">4</e>
          <e type="function" args="1">appVersion</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">1.0.8348.30405</e>
        </result>
      </math>
    </region>
  </regions>
</worksheet>