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Related Concept Videos

Design Example: Designing Water Slide01:18

Design Example: Designing Water Slide

When designing a water slide, controlling the speed of water flow is crucial for rider safety while maintaining an exciting experience. As water flows down the slide, gravity causes it to accelerate, with its speed at the bottom depending on the height from which it starts. The higher the slide, the more potential energy the water has at the top, which is converted into kinetic energy as it descends, increasing its speed.
Bernoulli's principle determines the water's velocity along the slide.
Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
Design Example: Application of Archimedes' Principle01:11

Design Example: Application of Archimedes' Principle

Archimedes' principle is fundamental in analyzing the buoyant force and stability of floating bodies. In this example, a wooden block with a rectangular section floats in seawater. Based on the block's dimensions, its specific gravity and the specific weight of seawater are used to find the volume of water displaced and the center of buoyancy.
The volume of seawater displaced by the block is determined by first calculating the block's weight. This is done by multiplying the block's volume by...

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Related Experiment Video

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Interactive and Visualized Online Experimentation System for Engineering Education and Research
08:35

Interactive and Visualized Online Experimentation System for Engineering Education and Research

Published on: November 24, 2021

Design by dragging: an interface for creative forward and inverse design with simulation ensembles.

Dane Coffey1, Chi-Lun Lin, Arthur G Erdman

  • 1University of Minnesota.

IEEE Transactions on Visualization and Computer Graphics
|September 21, 2013
PubMed
Summary

This study introduces an interactive interface for simulation-based design, enabling direct manipulation of both simulation inputs and outputs. This approach facilitates intuitive exploration of complex design spaces for engineering and visual effects.

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Area of Science:

  • Computer Graphics
  • Engineering Design
  • Human-Computer Interaction

Background:

  • Simulation-based engineering and visual effects design involve complex, computationally intensive processes.
  • Tuning parameters and evaluating results in these fields often requires extensive time and expertise.
  • Existing design tools may not offer sufficiently direct or intuitive interaction methods for large design spaces.

Purpose of the Study:

  • To develop an interactive interface for exploring large design spaces in simulation-based engineering and visual effects.
  • To enable a more direct and intuitive design process by integrating forward and inverse design methods.
  • To allow users to focus on creative design tasks rather than the intricacies of simulation parameter tuning.

Main Methods:

  • Integration of forward design (direct manipulation of simulation inputs) and inverse design (manipulating simulation outputs).
  • Development of algorithms for interpreting user intent from drag operations on parameterized models.
  • Implementation of methods for morphing arbitrary scalar fields from finite element analysis (FEA) and computational fluid dynamics (CFD) simulations.
  • In-place interactive ensemble visualization and multi-touch input for shape manipulation.

Main Results:

  • Demonstrated a novel approach to interactive design within large, complex simulation environments.
  • Successfully applied the interface to medical device engineering (biopsy device) and visual effects (flame simulation).
  • Showcased the ability to interpret user intent and directly modify simulation outputs for design exploration.

Conclusions:

  • The presented interface significantly enhances the directness and interactivity of simulation-based design.
  • The integrated forward and inverse design approach offers a powerful tool for creative exploration in engineering and visual effects.
  • This method has the potential to streamline the design process for computationally intensive simulations.