Assembly Definition and 191 Threads

The London Assembly is a 25-member elected body, part of the Greater London Authority, that scrutinises the activities of the Mayor of London and has the power, with a two-thirds super-majority, to amend the Mayor's annual budget and to reject the Mayor's draft statutory strategies. The London Assembly was established in 2000 and meets at City Hall on the south bank of the River Thames, close to Tower Bridge. The Assembly is also able to investigate other issues of importance to Londoners (most notably transport or environmental matters), publish its findings and recommendations, as well as make proposals to the Mayor.

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  1. sengalraja

    Electronic enclosure - Long screw holes

    Hi, I am designing an electronic enclosure for a medical device. For assembly reasons, the enclosure is split into two halves, with the bottom half having a depth of 200mm and the top half a depth of 50mm. I want the enclosure to be certified for IP62, hence I want the screw to be mounted from...
  2. K

    Need help calculating maximum stress in a bolted assembly

    Trying to calculate the maximum stress that would occur in the attached assembly... The assembly consists of a tube sandwiched between two plates that are bolted down to a larger plate with an M6 bolt. Each of the two plates have a 400N force acting on them which is perpendicular to the axis of...
  3. Ah-E

    Spotting gearbox assembly issues

    The question might be a bit silly.. (asking for advice regarding the theory of machines content, not a homework). I'm enrolled in the mechanical engineering bachelor's. I applied for several internships however I couldn't pass because of a particular type of questions. The interviewer shows me...
  4. H

    ChatGPT Given A Voice In Japanese National Assembly

    The Prime Minister of Japan was posed a question generated by ChatGPT. The PM claimed that his governance was more effective than that provided by the artificially intelligent program. See for yourself here.
  5. Islam Nabil

    MCNP lattice of the fuel assembly input file?

    There is an input file for a simple 16 x 16 lattice fuel assembly. I have a message blocking the run of the code; "bad trouble in subroutine newcel of mcrun source particle no 1 random number 6647299061401 zero lattice element hit." What is wrong?
  6. U

    Comp Sci X86 NASM reading from the terminal and writing back to the terminal

    cpu 8086 segment code ..start mov ax,data mov ds,ax mov ax,stack mov ss,ax mov sp,dno mov es, ax start_2 mov ah, 0x0a mov dx, buffer int 21h cmp al, 0 je print_lines inc word [count] mov si, buffer mov di, line mov cx, 100...
  7. D

    C/C++ Learning to Code Game Enemy AI in C++ from Scratch or in Assembly?

    Hello, To keep my questions straightforward they are below. How do I learn how to code Game Enemy AI in C++ from scratch and what are the top resources you recommend(Books, Tutorials, CD-Roms, Videos)? How do I learn how to code Game Enemy AI in Assembly Langauge from scratch and what are the...
  8. G

    Model Fuel Assembly w/ Gamma Source: Solving a Sampling Problem

    Hi everyone, I'm making a fuel assembly model and I would like to have a cylindrical gamma source on each fuel rod to measure the decay heat of a fuel assembly but I'm struggling to define the source since it is in a repeated structure. This is the geometry of my model: Level 2 : cells 1, 2 3...
  9. R

    Can reducing Boric acid concentrations extend the life of fuel assemblies?

    Hi, do you think that reducing Boric acid concentrations at the begin of the cycle would extend the like of the fuel assembly?
  10. S

    Typical PWR fuel assembly dimensions

    What are the typical dimensions of the coolant channels and the upper and lower core support plates?
  11. C

    Help with this emu8086 assembly language problem please

    Summary:: my code has been successfully showing the right decrement of the letter. however, i tried to put space in between the letter output but its output became repititive letters. this is the original output when i try to put space it become like this i want to put spaces on the output...
  12. Margarita0076

    Engineering MIPS - Fibonacci Series: Main and fib function

    Write and test the fib function in two linked files (Fib.asm, fib_main.asm). Your solution must be made up of a function called fib(N, &array) to store the first N elements of the Fibonacci sequence into an array in memory. The value N is passed in $a0, and the address of the array is passed in...
  13. Margarita0076

    Engineering Assembly Programming (MIPS): Convert BCD to Decimal

    I have this code which convert decimal number to binary number, but I do not understand how representation 8762 like 1000 0111 0110 0010. 8 7 6 2 1000 0111 0110 0010 .data strmsg: .asciiz "please Enter a decimal number: " .text #main method .globl main #main function main...
  14. A

    Coolant Mass Flow Rate Through Subchannel in Nuclear Fuel Assembly

    I am trying to find the mass flow rate of coolant through a channel within a hexagonal nuclear fuel assembly. I am given the specific heat of the fluid, the coolant inlet and outlet temperatures, the total power produced by a single fuel pin, the diameter of the fuel pin, the length of the fuel...
  15. J

    Help Programming ARM7TDMI-S in Assembly

    Hello friends, I'm looking to program the ARM7TDMI-S in assembly. Can anyone recommend any good development boards? Can anyone recommend an IDE? Can anyone recommend a textbook that would be good for leaning how to program this processor in Assembly? I know various other programming languages...
  16. TheBigDig

    Determine the moment of inertia of a bar and disk assembly

    I have been given an answer for this but I am struggling to get to that point $$ANS = 0.430\, kg \cdot m^2$$ So I thought using the moment of inertia of a compound pendulum might work where ##I_{rod} = \frac{ml^2}{12}## and ##I_{disc} = \frac{mR^2}{2}## (##l## is the length of the rod and ##R##...
  17. W

    Measuring Parameters for a Hybrid Rocket Injector Assembly

    I am interested in research on hybrid rocket technology and I would like to know if anyone has a known ideal way to measure the required parameters to find the below items. I am particularly interested in a cold flow test involving: Characteristics of the Oxidizer Flow Turbulent Intensity...
  18. N

    Mechanical engineering: Maximum Power Transmitted by a V-Belt Assembly

    Summary:: Hi I’m in second year mechanical engineering and I really need help with this question! Sorry about my handwriting in the attachment I’ve put in, I've written the question out but there is an image of figure one on the file attached. Many thanks! [Mentor Note -- Thread moved from a...
  19. mech-14

    What Are Common Assembly Flaws in Bevel Gearbox Designs?

    Hello! I need help in identifying flaws in this drawing. The torque in this bevel gearbox is being transferred from input shaft(1) to the bevel (2) and finally to the output shaft(3). The drawings has some errors in its assembly, functional error, or arrangement of bearings or sealings. Can you...
  20. P

    Comp Sci MIPS assembly language homework

    All I have is li $t0, 0xaaaaaaaa li $t1, 0x24924924 move $s0, $t0 Because I think it is best to hardcode them in.
  21. R

    Automatically replacing a part in a SolidWorks assembly

    Replacing a part automatically in SolidWorks assembly based on the end conditions and applications required.
  22. S

    Which resources are best for learning assembly language as a beginner?

    So I made it one of my projects to learn assembly language. Hoo boy. Started looking through online pdfs and some are extremely advanced jumping into like 5 different developing environments and others assume I'm dumb as a nut and don't even know binary representations of numbers or simple logic...
  23. L

    How Can Electrical Impulses Trigger Needle Movement in Medical Devices?

    Hello , I have an medical device assembly, where I trigger the needle for injection, mechanically, with a pretensioned spring. Injection takes 3 minutes, then I have to retract the needle. How can I trigger the needle, using an electrical impulse ?
  24. A

    "Assembly" of elements of different dimensionalities (1-D, 2-D)

    I am currently working on a problem which involves both 1D and 2D elements. I know that these elements have different degrees of freedom at a node and, therefore, the procedure of assembly of elements will different from a purely 1D or a purely 2D mesh. I don't know the rest of the details. Any...
  25. Mark44

    Insights AVX-512 Programming: Extracting Column Subtotals from a Table

    Greg Bernhardt submitted a new blog post AVX-512 Programming: Extracting Column Subtotals from a Table Continue reading the Original Blog Post.
  26. Mark44

    Insights What is the relevance of Assembler programming in modern technology?

    Greg Bernhardt submitted a new blog post AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic Conclusion Continue reading the Original Blog Post.
  27. Mark44

    Insights Are There Libraries for AVX-512 Opmask Registers?

    Greg Bernhardt submitted a new blog post AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic Continue reading the Original Blog Post.
  28. Mark44

    Insights An Intro to AVX-512 Assembly Programming - Comments

    Greg Bernhardt submitted a new blog post An Intro to AVX-512 Assembly Programming Continue reading the Original Blog Post.
  29. J

    Subtracting object MOI from assembly to get other parts MOI?

    Homework Statement It's been ages since I have done Moments of Inertia of complex objects! :( Can anyone help?? Say you have an assembly like an airplane and you want to just get the moment of inertia(MOI) of the tail section and you are given the Mass of whole plane,mass of tail section...
  30. S

    Finding errors in a section of microprocessor assembly code

    Hi guys, apparently I've got both a linear and a subroutine programming error in the code below from lines 20-35? Could someone point me in the right direction. I think one might be the 'CALL wait' instruction, which should be 'CALL delay'? Not really sure as new to this, any help would be much...
  31. I

    Calculating the forces on a crankshaft assembly

    Hi everyone, So I'm working on this project where I have to determine the total force that is being applied to an assembly that is attached to a crank shaft which is in turn attached to a motor that's driving it. I looked up the equations for the acceleration and velocity of a crank shaft (or a...
  32. david2

    Is assembly language still being used?

    You guys still use assembly when programming these days?
  33. G

    How Are BWR Fuel Assemblies Managed and Composed?

    Hi, now I watched a video that I knew before but this time I kind of thought I want to know for sure. The video is about fuel change in a BWR type reactor, now I have question to someone who knows about this or maybe has worked with it, are the rectangular fuel assemblies seen in the video...
  34. E

    Trouble with Extended Multiplication in LC-3 Assembly

    Homework Statement So basically, I have to implement the algorithm given in the relevant equations section. Homework Equations The Attempt at a Solution First and foremost, my code. Some bits that weren't directly relevant to the problem I'm having were removed for readability's sake...
  35. Kirk Truax

    BWR Fuel Assembly Question -- Why do BWRs have shrouds?

    Hey all, I was wondering if anyone could help me with a basic BWR question. Why do BWRs have shrouds? From what I've been able to find, this is a for "uniform cooling" but that's about it. My guess is that there are some thermal hydraulic benefits around maintaining nucleate boiling. Is...
  36. nothing909

    What Does the | Symbol Mean in Assembly?

    Homework Statement mov.w #WDTPW|WDTHOLD, &WDTCTL What does the | symbol mean in assembly? I've been learning C and I've just recently started learning assembly. In C, the | symbol is a bitwise OR, but what does it mean in assembly?
  37. J

    Small bearing or low-friction "pin" to assemble t-slot frame

    Howdy folks I have to say up-front, that I am not an ME by trade. My background is in EE. So, I apologize in advance if I accidentally make my question confusing. I need to join a couple of these...
  38. PePaPu

    Thermodynamic assembly - Statistical Thermodynamics

    Homework Statement Consider a model thermodynamic assembly in which the allowed (nondegenerate) states have energies 0, ε, 2ε, 3ε.The assembly has four distinguishable (localized) particles and a total energy U = 6ε. Tabulate the nine possible distributions of the four particles among the...
  39. D

    [Mechanics] Friction decelerating a helicopter rotor assembly

    Homework Statement A Chinook helicopter’s rotor blades and hub have a top speed of 300 revs/min and a combined mass of 300 kg. On a maintenance test the blade assembly is allowed to stop without applying the brake, in this condition the blades take 48 seconds to come to a standstill. The...
  40. ChrisVer

    Assembly language programming vs Other programming languages

    I was having a morning look into assembly language videos and stuff and I was wondering: how much faster is assembly compared to some higher-level programming languages (like C or C++ or python)? And also why is it faster than those languages? I mean a general C++ source code should be...
  41. E

    Moment of inertia for this assembly

    Homework Statement A slender rod is 80.0 cm long and has mass 0.120 kg. A small 0.0200-kg sphere is welded to one end of the rod, and a small 0.0500-kg sphere is welded to the other end. The rod, pivoting about a stationary, frictionless axis at its center, is held horizontal and released from...
  42. N

    Cantilever Pipe Assembly - Statics

    To simplify my situation, I am installing a horizontal cantilever pipe (30” length, 3” nominal diameter) which will be connected to a vertical pipe (3” nom diameter, acting as the wall) by a T-connection. See the diagram below. At the end of the cantilever the pipe bends up at 90 degrees for...
  43. S

    Assembly drawing number conventions

    Hello,can someone tell me what's the convention for numbering an assembly drawing...like the drawing no consists of hierarchy of sub assemblies and assemblies in the main assembly. For example Xyz-00-12-23-34
  44. VxP

    Circuits motion detector light assembly 3 way proximity

    Is it possible to create a series of circuits capable of detecting a moving object with 3 levels of proximity e.g. green light when object is 10ft. away, yellow light at 5ft., red light at approx. 1ft. away, etc? Thanks, Dave
  45. J

    Assembly Language Textbooks - OPCodes, Registers & Tables

    hi everyone, i was wondering if you guys had any textbook recommendations on the subject of assembly language (8088 and 8086) that focuses more on opcodes, register status tables, etc rather than programming in assembly. I have been using kip irvine assembly textbook but that focuses more on...
  46. D

    Atmospheric Pressure on Shaft of piston cylinder assembly

    Homework Statement In a vertical piston cylinder assembly, a vertical shaft whose cross sectional area is 0.8 cm^2 is attached to the top of the piston. Determine the magnitude F, of the force acting on the shaft, in N, required if the gas pressure inside the cylinder is 3 bar. The masses of...
  47. Diglet

    Looking for an electric circuit diagram of pcb assembly treadmill drive

    Hi ! I am looking for a electric diagram of pcb assembly treadmill drive SERIAL:0004-03052. The name of the treadmill Quinton Clubtrack 510 plus . I have already found Service and User Manual for it but , there nothing specific in it...
  48. T

    I have some problems with LC -3 assembly language

    Hi guys, I'm new to this language. When studying I'm really confused and don't know where to start, even with a simple example. I have read the book Introduction to Computing System but it doesn't help much. Can you show me some ways or books that can help me ?
  49. P

    Determine the mass moment of inertia of the assembly

    Homework Statement Determine the location of y of the center of mass G of the assembly and then calculate the moment of inertia about an axis perpendicular to the page and passing through G. The block has a mass of 3 kg and the mass of the semicylinder is 5 kg. Homework Equations -parallel...
  50. O

    Looking for ball bearing assembly with easy disassembly

    Hi folks! I am looking for a ball bearing assembly that can be easily taken apart and re-assembled. I'm trying to test some ball bearings (the balls themselves) so its advantageous to have a housing that I can easily take apart and reload with a different type of ball without damaging anything...
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