.. _section-ivabs_temp_airfoil_gbox_uni: Airfoil Box-spar Uniform ======================== Design concept -------------- .. figure:: /figures/cs_temp_airfoil_gbox_uni-components.png :name: fig_airfoil_box_uni-components :align: center Components of the airfoil box-spar design topology. Some sample designs ~~~~~~~~~~~~~~~~~~~ .. figure:: /figures/cs_temp_airfoil_gbox_uni-example_1.png :name: fig_airfoil_box_uni-example_1 :width: 6.5in :align: center Box-spar with two straight spar webs. .. figure:: /figures/cs_temp_airfoil_gbox_uni-example_2.png :name: fig_airfoil_box_uni-example_2 :width: 6.5in :align: center Box-spar with a curved front web and a straight back web. Parameters ---------- *Italics value* in the "Input" column is the default. General parameters ~~~~~~~~~~~~~~~~~~ .. csv-table:: General design parameters :header: "Name", "Type", "Input", "Symbol", "Description" :widths: 4, 4, 20, 4, 48 airfoil, String, Required, , Airfoil file name (including file extension). chord, Float, Optional (*1*), :math:`c`, Chord length. gms, Float, Required, :math:`l^{gm}`, Global mesh size. fms, Float, Optional (*10\*gms*), :math:`l^{fm}`, Filling component mesh size. mdb_name, String, Required, , Material database file name. elm_type, String, "Optional (choose one from: *linear*, quadratic)", , Element type. Shape parameters ~~~~~~~~~~~~~~~~ All parameters in this section are in the non-dimensional scale (from 0 to 1). .. figure:: airfoil_gbox_uni-shape_params.png :name: fig_airfoil_box_uni-shape_params :align: center Shape parameters. .. csv-table:: Shape design parameters :header: "Name", "Type", "Input", "Symbol", "Description" :widths: 4, 4, 20, 4, 48 a2p1, Float, Optional (*0.8*), :math:`a_2^{p_1}`, Horizontal location of the point :math:`p_1`. a2p2, Float, Optional (*a2p2*), :math:`a_2^{p_2}`, Horizontal location of the point :math:`p_2`. a2p3, Float, Optional (*0.6*), :math:`a_2^{p_3}`, Horizontal location of the point :math:`p_3`. a2p4, Float, Optional (*a2p3*), :math:`a_2^{p_4}`, Horizontal location of the point :math:`p_4`. a2p5, Float, Optional (*0.98*), :math:`a_2^{p_5}`, Horizontal location of the point :math:`p_5`. a2p6, Float, Optional (*a2p5*), :math:`a_2^{p_6}`, Horizontal location of the point :math:`p_6`. a2p7, Float, Optional (*0.2*), :math:`a_2^{p_7}`, Horizontal location of the point :math:`p_7`. a2p8, Float, Optional (*a2p7*), :math:`a_2^{p_8}`, Horizontal location of the point :math:`p_8`. a2p9, Float, Optional (*0.1*), :math:`a_2^{p_9}`, Horizontal location of the point :math:`p_9`. a2p10, Float, Optional (*a2p9*), :math:`a_2^{p_{10}}`,Horizontal location of the point :math:`p_{10}`. a2nsm, Float, Optional (*0.96*), :math:`a_2^{nsm}`, Horizontal location of the center of the non-structural mass. a3nsm, Float, Optional (*0*), :math:`a_3^{nsm}`, Vertical location of the center of the non-structural mass. rnsm, Float, Optional (*0.005*), :math:`r^{nsm}`, Radius of the non-structural mass. kw1, Float, Optional (*0*), :math:`k^{w_1}`, Curvature of the front spar web. kw2, Float, Optional (*0*), :math:`k^{w_2}`, Curvature of the back spar web. Material and layup parameters ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. figure:: airfoil_gbox_uni-material_params.png :name: fig_airfoil_box_uni-material_params :align: center Material parameters. .. csv-table:: Material design parameters :header: "Name", "Type", "Input", "Symbol", "Description" :widths: 4, 4, 20, 4, 48 lam_spar_1, String, Required, :math:`l_1^m`, Lamina selection of layer 1 of the box spar layup lam_spar_2, String, Optional (*lam_spar_1*), :math:`l_2^m`, Lamina selection of layer 2 of the box spar layup lam_spar_3, String, Optional (*lam_spar_1*), :math:`l_3^m`, Lamina selection of layer 3 of the box spar layup lam_spar_4, String, Optional (*lam_spar_1*), :math:`l_4^m`, Lamina selection of layer 4 of the box spar layup ang_spar_1, Float, Optional (*0*), :math:`\theta_1^m`, Fiber angle of layer 1 of the box spar layup ang_spar_2, Float, Optional (*0*), :math:`\theta_2^m`, Fiber angle of layer 2 of the box spar layup ang_spar_3, Float, Optional (*0*), :math:`\theta_3^m`, Fiber angle of layer 3 of the box spar layup ang_spar_4, Float, Optional (*0*), :math:`\theta_4^m`, Fiber angle of layer 4 of the box spar layup ply_spar_1, Integer, Optional (*1*), :math:`n_1^m`, Number of plies of layer 1 of the box spar layup ply_spar_2, Integer, Optional (*1*), :math:`n_2^m`, Number of plies of layer 2 of the box spar layup ply_spar_3, Integer, Optional (*1*), :math:`n_3^m`, Number of plies of layer 3 of the box spar layup ply_spar_4, Integer, Optional (*1*), :math:`n_4^m`, Number of plies of layer 4 of the box spar layup lam_skin, String, Required, :math:`l^s`, Lamina selection of the skin layer ang_skin, Float, Optional (*0*), :math:`\theta^s`, Fiber angle of the skin layer ply_skin, Integer, Optional (*1*), :math:`n^s`, Number of plies of the skin layer lam_cap, String, Required, :math:`l^c`, Lamina selection of the cap layer ang_cap, Float, Optional (*0*), :math:`\theta^c`, Fiber angle of the cap layer ply_cap, Integer, Optional (*1*), :math:`n^c`, Number of plies of the cap layer lam_front, String, Required, :math:`l^f`, Lamina selection of the front layup ang_front, Float, Optional (*0*), :math:`\theta^f`, Fiber angle of the front layup ply_front, Integer, Optional (*1*), :math:`n^f`, Number of plies of the front layup lam_back, String, Required, :math:`l^b`, Lamina selection of the back layup ang_back, Float, Optional (*0*), :math:`\theta^b`, Fiber angle of the back layup ply_back, Integer, Optional (*1*), :math:`n^b`, Number of plies of the back layup mat_nsm, String, Required, :math:`m^{nsm}`, Material selection of the non-structural mass mat_fill_front, String, Required, :math:`m^{ff}`, Material selection of the front filling mat_fill_back, String, Required, :math:`m^{bf}`, Material selection of the back filling mat_fill_te, String, Required, :math:`m^{tf}`, Material selection of the trailing filling Full template ------------- .. literalinclude:: airfoil_gbox_uni.xml.tmp :language: xml :linenos: