A-Truss 3D 與 Hydraulics and Waterworks Calc 使用情況與統計

A-Truss 3D is an application for structural engineers or engineering students who need a tool to analyze the space truss. A-Truss 3D analyse the space truss by using the Stiffness Matrix Method, providing following features: - Easy to use UI with 3D graphics. - Solutions include node displacements, member axial forces and stress. - Equilibrium check is very easy, you can check against the truss model in 3D for the loads, reactions and moment arms. - Truss Assistant Creator is very useful for the large and complex truss, to manually input the nodes and members for the Double-Layer Truss like 61 nodes and 400 members is very tedious and is prone to error, but with the Assistant Creator you input just a few information and the app will automatically generate all the data for you. "Double-Layer Truss" type is available for truss assistant creator and more generic types of 3D truss will be added. - The app use the Direct Stiffness Matrix to solve the 3D Truss with the detail of calculation. - With the 3D graphic you can view your truss in any direction. - 3 options to view the truss - Proportion: draw truss member according to the size of members. - Equal: draw all members as same size. - Wireframe: draw truss members as wireframe (recommend for large and complex truss) - Truss calculation results as PDFs file format for printing and sending via email. - Support for large Space Truss: the app has been tested on old device iPad 2 with Retina (since 2012) with the 145 nodes and 512 members without any problems.

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Hydraulics and Waterworks Calc

Hydraulics Calculator The Hydraulics Calculator offers 94 calculators and converters to simplify and streamline your hydraulics, waterworks, and civil engineering calculations. Whether you’re working with metric or imperial units, this app provides quick and accurate solutions for a wide range of parameters. General Hydraulics • Capillary Rise • Viscosity / Kinematic Viscosity • Hydrostatic Pressure • Pressure Head / Velocity Head / True Velocity Head • Specific Energy Head / Head Loss (Bernoulli Equation) • Total Energy (Elemental Volume of Fluid) • Total Head of Flowing Fluid • Average Velocity of Flow • Summation of Forces (X direction) Dimensionless Numbers • Froude Number • Reynolds Number • Weber Number Friction Losses • Head Loss due to Friction (General / Darcy-Weisbach Formula) • Chezy Velocity / Chezy Coefficient • Manning Flow Velocity (including pipe diameter) • Flow Rate, Head Loss, and Pipe Diameter (Manning Formula) • Hazen-Williams Flow Velocity and Friction Loss Calculations Pipe Flow and Fittings • Head Loss across Pipe Diameter Changes (Enlargement/Contraction) • Brightmore Equation for Pipe Contractions • Head Loss from Pipe Fittings • Loss Coefficient Orifice and Fluid Flow • Orifice Flow Rate / Coefficient of Contraction • Initial Velocity of Fluid Jets • Gage Pressure in Conical Tubes • Wave Velocity in Pipes (Water Hammer) • Pipe Material Stress • Section Factor Hydraulic Jumps • Force, Momentum Change, and Head Loss Temperature Effects on Pipes • Stress and Length Movement due to Temperature Culverts and Channels • Elevation Differences (Headwater & Tailwater) • Velocity and Flow Rates in Culverts (Submerged/Unsubmerged Conditions) • Open Channel Flow Calculations for Rectangular, Triangular, Parabolic, and Trapezoidal Channels Circular Channels • Cross-Sectional Area, Critical Depth, Top Width, and Flow Rate Weirs • Flow Rate Calculations for Rectangular, Triangular, Trapezoidal, and Broad Crested Weirs Sediment and Water Movement • Sediment Transport (Schoklitsch Formula) • Evaporation Rate (Meyer Equation) • Wind Factor Rainfall and Groundwater • Peak Discharge (Rational Formula) • Rainfall Intensity (Steel Formula) • Groundwater Flow (Darcy’s Law) Specialized Calculations • Fire Demand Rate • Gravity and Artesian Well Flow Rates • Economic Pipe Diameter • Venturi Flow Meter Calculations • Power from Water Flow