SU430398A1 - A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl! - Google Patents

A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl!

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Publication number
SU430398A1
SU430398A1 SU1905086A SU1905086A SU430398A1 SU 430398 A1 SU430398 A1 SU 430398A1 SU 1905086 A SU1905086 A SU 1905086A SU 1905086 A SU1905086 A SU 1905086A SU 430398 A1 SU430398 A1 SU 430398A1
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SU
USSR - Soviet Union
Prior art keywords
sffofirpiol
private
unit
order equations
solving differential
Prior art date
Application number
SU1905086A
Other languages
Russian (ru)
Original Assignee
В. Рвачев , Ю. М. Мадевитый Институт проблем машиностроени Украинской ССР
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by В. Рвачев , Ю. М. Мадевитый Институт проблем машиностроени Украинской ССР filed Critical В. Рвачев , Ю. М. Мадевитый Институт проблем машиностроени Украинской ССР
Priority to SU1905086A priority Critical patent/SU430398A1/en
Application granted granted Critical
Publication of SU430398A1 publication Critical patent/SU430398A1/en

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Description

II

Изобретение относитс  к области а1налоговой вычислительной техники и предназначено дл  решени  дифференциальных уравнений второго пор дка в частных производных путем построени  координатных функций в методе Ритца при .решении задач теории пол  дл  тел геометрической формы.;The invention relates to the field of analog computing and is intended to solve second-order differential equations in partial derivatives by constructing coordinate functions in the Ritz method for solving field theory problems for bodies of geometric shape .;

Известно устройство дл --ре п 1ти  диффБрбнциалыных уравнений второго пор дка в ч астн ы X цр о и зводн ы х коор Дии ат11 ы-х - ф-у и к ци и, содержан ее модель из элакиропроводной среды с из.мерительным зо дом и координатный блок, подключенный к подвижным конта|КТ:а М потенциометров. Однако извест1ное устройство не позвол ет получать координатные фуиысции в .методе Ритца, а следовательно, не обладает 1 еобходИМой точностью дл  областей СЛОЖ1НЫХ форм.A device for the first-order differential equations of the second order is known in the X order of the integral coordinates of the coordinates of the x and the x parameters, and its model is made of an eli-conducting medium with a measuring surface. house and the coordinate unit connected to the movable contact | CT: a M potentiometers. However, a known device does not allow obtaining coordinate coordinates in the Ritz method, and, therefore, it does not have 1 accuracy for areas of COMPLEX forms.

Предлагаемое устройство отличаетс  от известных том, что содержит блОК управлени , к входам которого подключены изме рительный зонд модели из электропроводной среды и потенциометры, к входу регистрирующего блока которого подключен выход блока управлени , блок делени  и блок оцределени  / -фу1№иий, вхолы СлОКа делени  соеденены с выходОМ блока олределениЯ / -фун-кций, и .выходом координатного блока, а выход чен к входу регистрирующего блока, причем входы блока определени  ./ -функций соедиие2The proposed device differs from the known one that contains a control block, to the inputs of which a measuring probe of a conductive medium is connected and potentiometers, to the input of a recording block of which the output of the control block, the divider and the evaluator / divider are connected. connected to the output of the unit for determining / -functions, and the output of the coordinate unit, and the output to the input of the recording unit, with the inputs of the determining unit ./ -functions of the connection2

ны с подвижными контакта;мИ потенциомет-ров . Кроме того, блок определени  -функций содержит первый и второй квадраторы, входы и выходы которых подключены соответственно к выхода первого и входам второго сум,мато1ров, причем выход второго сумматора через блок извлечени  корн  подключен к перео-му входу сумматора-вычитател , второй вход которого соединен. с выходом первогоus with moving contact; mI potentiometers. In addition, the -functions determination unit contains the first and second quadrants, the inputs and outputs of which are connected respectively to the output of the first and the inputs of the second sum, matrices, and the output of the second adder through the root extraction unit is connected to the input of the adder-subtractor, the second input of which connected with the release of the first

сумматора.adder.

На чертеже представлены блок-схема предлагаем&ро устройства дл  решени  дифференциальных уравнений в частных производных и блок-схема блока определени  .The drawing shows a block diagram of a proposed & ro device for solving partial differential equations and a block diagram of a definition block.

Схема цредлагаемого устройства содержит модель 1 из электропроводной среды, координатный блок 2 с ПОДВИЖ1НЫМИ координатными ОСЯ.М1И и автономнЫМИ электрическими цен лш, потенциометры 3 и 4, блок 5 питани The scheme of the proposed device contains a model 1 of an electrically conductive medium, a coordinate unit 2 with MOBILE coordinate axes AJA.M1I and autonomous electric prices of lsh, potentiometers 3 and 4, a unit 5 of power

и управлени , ,изл1еритель.ный зонд 6, блок 7 определени  / -функций, бло-к 8 делени , регистрирующий блок 9.and control,, transmitter. probe 6, unit 7 for determining / -functions, block-8 division, registering unit 9.

Блок 7 определени  .R-функций состоит из сум.маторов JO и 11, квадраторов 12 ,и 13, блока 14 извлечени  корн , суММатора-вычитател  15.Block 7 of the definition of the .R-functions consists of the sum of the JO and 11 matrices, quadrs 12, and 13, the root extraction block 14, the subcompactor 15.

Предлагаемое ycTpoiiCTBO работает следующИ м образом.The proposed ycTpoiiCTBO works in the following way.

Напр жение, сн тое с моделИ 1 с помощью измерительного зонда 6, св занного сThe voltage taken from model 1 using a measuring probe 6 associated with

SU1905086A 1973-04-10 1973-04-10 A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl! SU430398A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1905086A SU430398A1 (en) 1973-04-10 1973-04-10 A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl!

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1905086A SU430398A1 (en) 1973-04-10 1973-04-10 A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl!

Publications (1)

Publication Number Publication Date
SU430398A1 true SU430398A1 (en) 1974-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1905086A SU430398A1 (en) 1973-04-10 1973-04-10 A DEVICE FOR SOLVING DIFFERENTIAL pj ^ .., ... SECOND ORDER EQUATIONS IN PRIVATE I? = N i L-SffOfirpiOl!

Country Status (1)

Country Link
SU (1) SU430398A1 (en)

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