What is Designing: Definition and 614 Discussions

A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process, or the result of that plan or specification in the form of a prototype, product or process. The verb to design expresses the process of developing a design. In some cases, the direct construction of an object without an explicit prior plan (such as in craftwork, some engineering, coding, and graphic design) may also be considered to be a design activity. The design usually has to satisfy certain goals and constraints, may take into account aesthetic, functional, economic, or socio-political considerations, and is expected to interact with a certain environment. Major examples of designs include architectural blueprints, engineering drawings, business processes, circuit diagrams, and sewing patterns.The person who produces a design is called a designer, which is a term generally used for people who work professionally in one of the various design areas—usually specifying which area is being dealt with (such as a fashion designer, product designer, web designer or interior designer), but also others such as architects and engineers. A designer's sequence of activities is called a design process, possibly using design methods. The process of creating a design can be brief (a quick sketch) or lengthy and complicated, involving considerable research, negotiation, reflection, modeling, interactive adjustment and re-design.

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  1. vamsinaruto

    Designing a Space Capsule for ISS to Earth transits

    My name is Vamsi and I am from India. I am currently pursuing Ms in ME at University of Houston-Houston-Texas-USA. I have taken a course called "space vehicle design" in which we need to form a team and do a project of our choice. My team project is "Designing a space capsule to carry...
  2. A

    Design Steel Pole: 3 Segment, 50ft, Max Wind 110mph

    Homework Statement I need to design a steel pole in 3 segments.The base segment needs to be 25 ft high , the second segment needs to be 15 ft and the third one 10ft high.So that when mounted on top of one another their total height will be 50 ft.Their diameters need to be within 1.6-7 inches...
  3. HugeDragon

    Extreme Environment Robotics: Materials for a -1000°C Planet

    Hi guys, My science teacher gave me a project to design a robot for a specific planet. I must also include what materials the robot were to be made of. Unfortunately the planet I received has very hostile conditions 1. Temps of -1000 degrees C. Do not ask my why my planet is colder than 0K (3...
  4. louie13

    Bicycle Wheel Nut Design: Material Selection and Heat Treatment Considerations

    Hello everyone, I am currently trying to design some custom nuts for my bmx wheel axle but I have a few questions which I thought you guys might be able to help me with. First of all I've created an autodesk inventor model of the flange style nut I want to create but I'm not sure what material...
  5. R

    Engineering Designing a sequential circuit using JK flip flops

    Homework Statement Design [/B]:2-bit count-down counter; with two flip-flops and one input Homework Equations When input = 0, the state of the flip-flops does not change. When input = 1, the state is 11, 10, 01,11, and repeat. The Attempt at a Solution Start with truth table, then...
  6. D

    Designing a Pressure Safety Valve

    Hello all, I am under the process of designing the Pressure safety valve ,the core component of PRV is spring.just i want to know about the spring design .For eg my max allowable pressure is 5 bar, then i want to set the spring to stay uncompressed at 5 bar and the spring has to compress after...
  7. J

    Programming & Physics: Designing Microcontrollers for UMVs & Spacecrafts

    I love programming(both high and low) and physics.I would like to design/analyse and program microcontrollers that control UMVs and robots.My most favourite job would be working at a space agency designing and programming the microcontrollers that control space probes and satellites PS:The full...
  8. M

    Designing a pico hydro turbine and generator

    I'm working on a project right now which requires a hydro turbine generator system requiring 120W of power output capable of working with the following specs: Flow: 0.003m^s/s Pressure: 6m head By my calculations, this should require an efficiency of ~66%. All flow must be in the axial...
  9. C

    Writing: Input Wanted Designing drone army defence for a loosely populated planet

    Setting info - take it as granted. Strategy - treat it as an open issue, if you see an alternative solution, please suggest it. Setting - natural conditions Planet to defend - Earthlike, tidal locked around red dwarf, water world, cold, 3 atm Main weakness point - gates - that allow...
  10. L

    Designing Bolts for 500kg Machine Component in Trains

    We are working on a machine component structure that weighs around 500 kg.This component is fixed inside the train on top roof using 6 bolts..Now the part is we need to design bolt size and no of bolts under worst condition..The acceleration of train may be taken as 0.3g,where g-accn due to...
  11. Enio

    3x3 patch antenna trasmission line designing problems

    Hello, I'm currently engaged on a project where I need to design a 3x3 rectangular patch antenna array operating 1.5~5.8GHz on FR4 h=1.6mm substrate. I've studied the single element design and some TL matching techniques like the quarter wavelength but I can't put together a 3x3 elements...
  12. K

    Electrical Designing Your Own CPU Cooler Fan: Fundamental Tips

    Hi folks.I'm 3rd grade mechanical engineering student.I want to make cpu cooler.I will make pid controlled fan with an arduino. PID path is easy but I could not find anything about fan dynamics. I want to design my own fan.I need something like "fundamentals of fans" that should answer my...
  13. JasonHathaway

    Design an Ohmmeter: E & R1 Solutions

    Homework Statement If you an Ammeter with Rm=50 ohms and Ifsd=0.5 mA, What is the voltage differece you should have if you want to design an Ohmmeter to measure the resistances below 110 kilo ohms? Also, determine the values of the minimum and maximum values of the voltage source that can be...
  14. A

    Designing a Gearing System for an Analog Clock: Need Help!

    This task seems to me like it should be rather menial but I can't seem to wrap my head around it. I've already designed a circuit to run an analog clock with components I have already got sitting around my work bench. When it comes to designing the gearing though, I am struggling. My basic...
  15. A

    Designing an experiment to demonstrate Planck's Law

    For my undergraduate physics lab, we are asked to spend 3 weeks (3 3-hour sessions + any time during the week if I need extra time) doing an experiment of our own choosing. The physics department will provide any experimental tools needed within reason. I have been considering using this...
  16. rajrocks

    Quadcopter or drone robots designing

    Hello everyone ! Its very first post here & with the go i want to know about basic reasons behind the liftup of quadcopters or drone going popular these days. Is it the propeller designing motor weight & speed battery power etc ...
  17. Mk

    How Can We Harness the Power of Space Elevators and Atmospheric Electricity?

    Hi PF, I've been tasked with joining a team in Budapest to design an endogenously powered space elevator. I was wondering if I could talk about some concepts with you while I prepare for the 1 month camp. http://copernicus.exosphe.re/ Right now I'm wondering if there is a way I can generate a...
  18. Superposed_Cat

    Best circuit designing program for designing cpu?

    Hey all, what is the best software (free) that allows you to build virtual circuits and 'run' them? Something that could support large circuits, such as a cpu?
  19. A

    Designing a compressed air vehicle

    I am doing a school project, building a compressed air powered vehicle to reach desired destination. What I am thinking is: I will use a paintball compressed air tank. Four nozzles. And an controller board to control valve opening. Valve will only open for certain time like (50ms). After each...
  20. A

    Designing a variable-frequency ultrasonic wave generator

    Hello everyone! Seeing as this is my first post, I'll give you a basic background of who I am: My name is Andrew Raisbeck; I graduated from university with a Bachelor of Computing (Computer Science) degree a little over a year ago, and I now work full-time for the government of Canada. Since I...
  21. I

    Engineering Designing a circuit from a transfer function

    Homework Statement Homework EquationsThe Attempt at a Solution So I know how to derive a transfer function from a given circuit, but not how to design a circuit from a transfer function like the one above. It seems like there's a huge amount of possible solutions and I don't know where to...
  22. Tim Allen

    Help with designing horizontal framework for UDL

    Hi, For my engineering project for college I am designing a rotating table/steel frame structure for supporting a mild steel panel which weighs 180kg. My previous experience with UDL's has only been in using a 2D beam like situation to calculate how the load is spread, bending of the beam and...
  23. B

    Designing with Thermal expansion in mind

    Hi, I am trying to design a tubular probe that's made of stainless steel (304), from what I've read it has a Thermal expansion coefficient of around 9.6 x10^-6 in/in/F give or take on the quality. I want to fill this tube halfway with an Epoxy, however from what I've read this epoxy has a...
  24. N

    Designing function that draws specific output

    Hey all, recently saw this video on the batman curve, designed by a high school teacher that draws the batman logo. He combined an ellipse, straight line graphs and some other sinusoidal wave then forced the functions to be imaginary at certain points to hide the unwanted bits. question, how...
  25. C

    Designing a Fantasy World - physics advice needed

    Hey Guys, Very new to this forum - signed up as it seemed it might be possible to get some answers and advice as I'm designing a world (actually two worlds - two exomoons) and want to try and pay at least some attention to the constraints and realities of physics, as much as possible! My...
  26. L

    Engineering Designing a Bias Circuit for BJT with Optimal Ratio and Voltage Drop

    Homework Statement It is required to design the bias circuit as shown in figure for a BJT whose nominal {\beta} is 100. a.) Find the largest ratio {(R_B/R_E)} that will guarantee {I_E} remains within 10% of its nominal value for B as low as 50 and as high as 150. b.) If the resistance ratio...
  27. M

    Designing a Circuit to Return Absolute Value of 3-bit Number

    Homework Statement Make the design of a circuit returning the absolute value of a number of 3 bits . The input and output must be signed , use the complement 2. Show your approach and draw your track using logic gates. I seriously do not understand this at all. What am I supposed to do...
  28. M

    Designing a Pulley System to Increase Weightlifting Force

    Hi, I am building a simple pulley for a weightlifting machine. In most cases pulleys are designed to lift heavier loads easier, I want to actually make it harder to lift the load… So I don't have to put so much weight on the end. Can I amend my simple pulley design in a (simple) way to...
  29. Bhavin

    Engineering Need help in designing a logic circuit

    Design a circuit that will light the same number of LEDs as there are active switches. You will utilize three switches as input. The LEDs should be lit as a bar-magnitude display. The output pattern should look as follows: Active Input switch count LED bar-magnitude display (vertical) no...
  30. Thom Stoops

    Need Help Designing Mechanism for Automatic Spring Return

    I'm trying to design an entirely mechanical system for returning an extension spring to its extended state, without the assistance of electronics, pneumatics, hydraulics or any other form of auxiliary power. It's for a soft exosuit concept that simply enhances the speed and ease of walking or...
  31. WhatmoughG

    Designing a Kite for a Truck Adventure

    Hey, I am embarking on a drive to the arctic circle. I have spent a bit of time googling looking for a kite to pull behind my truck to film the adventure and can't find much useful information. Is there anyone that could design or point me in the direction of a place to design a decent kite to...
  32. J

    Need help on designing a conceptual HALE UAV

    Hi everyone, I am a High School student (final year) and am doing an extra-curricular project. Having complete autonomy on what we do the project on, I choose to design a High-Altitude Long-Endurance (HALE) UAV, such as the QinetiQ Zephyr [http://www.airforce-technology.com/projects/zephyr/] or...
  33. C

    Need Help Designing Speaker Enclosure/Engineering

    Hello all, first post here to physics forums and I have a lot to learn. I will be attending a northern Ontario university for Mechanical Engineering in fall so hopefully this relationship proves fruitful. Here is my problem, I bought a new stereo for my jeep.. and I am having trouble designing...
  34. K

    Designing priority encoder with 4-16 decoder and 8-1 MUX

    Homework Statement Design a 4 input priority encoder with a 4 to 16 decoder and a 8 to 1 multiplexer. Homework Equations Priority encoder is where when the highest priority bit is equal to a logical "1", then the rest of the lower priority input are ignored.The Attempt at a Solution For the...
  35. R

    Designing using Impact Energy of Plastics

    Hi, I am attempting to design a plastic scrap grinder. To begin my calculations I need to know the force needed to shear a certain area of plastic. After noticing that by using the shear stress equation would result in a huge, unrealistic force, it came to my mind that the plastic will be cut by...
  36. T

    Designing Inductor, need you worry about saturation?

    Hi, I'm just wondering (theoretically), about calculating magnetic opperating point for an inductor. Say permetivitty mu is 'u', N turns, A area, l is length: Inductance L = u.N2.A / l Then do you need to worry about saturation? Or can you just wrap as many turns around it as you want for a...
  37. P

    A book for designing RC aircraft

    I am looking for a book that teaches how to design an RC aircraft, given performance specifications: $$v_{stall}, v_{max}, m_{payload}, h_{max}$$ That is, given the stall speed, max. speed, payload and service ceiling, I'd like to know how to design the aircraft's air-frame (wing span...
  38. M

    Designing Powerful Water Guns for Distance Propulsion

    Good morning, I always walk on egg shells posting what is probably a redundant question on a forum. I have been reading for two days and there is a ton of physics information out there on the subject but most of it doesn't truly address the mechanics of what I am looking for. In a very...
  39. R

    Designing materials from macroscopic desired properties

    Does anyone know of a class or a textbook or anywhere to start doing research on how to start off with a set of desired properties of a material and begin designing that material from a molecular level. A for instance would be say you want a material that is capable to separating oxygen from...
  40. V

    Engineering Optimizing Digital Circuit Design with Radix Four Addition

    Homework Statement Homework EquationsThe Attempt at a Solution [/B] Is there any more efficient way to solve this problem? The resultant functions are quite complicated and I was wondering if there is any way to make them simpler so it would be easier to draw the circuit.
  41. beyondlight

    Designing a Carry Lookahead adder in Excel sheet

    I'm designing a carry lookahead 8bit adder. My problem is that i don't know how to calculate the group generate signal. I have 4 G signals: First level: G1:0 G3:2 G5:4 G7:6 And these have to be added together: Second level: G3:0 G7:4 Third level: G7:0 Two different formulas for computing...
  42. T

    How Can I Design a 13MHz Sine Wave Signal Generator with 30-40V Output?

    I am very new to circuit design so any help is much appreciated. I need to design a signal generator that will output about 30V-40V peak to peak at 13MHz (sine wave) If the signal generator is not able to, then I need some kind of amplifier. So far I have looked into Hartley and Colpitts...
  43. S

    Designing a Strain Gauge Load Cell: Q&A on Force Measurement

    Hello, I'm trying to design a strain gauge load cell for force measurments. I have few questions regarding that. Q1: how to calculate the minimum froce that my load cell can detect? Q2: how to calculate the FSO(full scale output) of my load cell? Q3: Is there any way to measure the...
  44. BeautifulLight

    Help designing 2-way audio crossover

    Mid-woofer Tweeter Links: https://www.parts-express.com/vifa-oc25sc65-04-1-textile-dome-tweeter--264-1018 https://www.madisoundspeakerstore.com/silver-flute-woofers-6-7/silver-flute-w17rc38-04-ohm-6-1/2-wool-cone/ For tweeters, they say to take the resonant frequency and multiply that by...
  45. V

    Engineering Troubleshooting an Op Amp Circuit: Iterative Problem-Solving Methods

    Homework Statement Homework Equations The Attempt at a Solution Here is my attempt: http://i.imgur.com/oKjwI8O.png The problem is at the end, I get 0=0. What did I do wrong?
  46. Lolligirl

    MHB Designing an NFA that accepts binary strings divisible by 5 or 6

    Hello everyone! I'm trying to make a transition diagram for an NFA that accepts strings that are either divisible by 5 or by 6. Here's the specific question: Question: Present a transition diagram for an NFA that recognizes the set of binary strings that starts with a 1 and, when interpreted as...
  47. Lolligirl

    MHB Designing NFA & DFA for (1001 + 110 + 11)* Language

    Hello everyone! I'm trying to design an NFA and then turn it into a DFA, and I'm not sure if I've done it correctly so far. Here is the question: "Present a transition diagram for an NFA for the language associated with the regular expression (1001 + 110 + 11)*. Your NFA must have no more than...
  48. SteliosVas

    Designing a Truss: Calculating Forces & Loads

    Homework Statement So we have to design a truss for our Civil engineering project, calculate forces in members using method of sections and method of joints. However as both trusses are symmetrical we only need to take one of them The truss is 45 meters long, 2.5 meters high, and 2.5 meters...
  49. C

    Please help designing a specific electromagnet

    [/ATTACH][/ATTACH]I need some help designing my electromagnet because I am a bit lost with it I need to work out the gauge of the wire to be used, the resistance of the wire needs to match the battery's internal resistance for max power transfer I need to work out the most amount of turns...
  50. A

    Calculating Torque for a 21,000 lb Merry-Go-Round at 4 RPMs: A Design Challenge

    Hi everyone, I'm charged with designing a merry-go-round for a class project. It is to be driven by an electric motor and I chose to power it with a gear train. I need to pick a specific horsepower motor to drive the pinion and subsequent gears after it, finally leading to an inner ring gear...
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