Compressible Flow Subroutine Library
Programming Reference Manual
Version 1.0 DD-00008-110
Compressible Flow Subroutine Library
Reference Manual (Fortran)
DD-00008-110
Jan Adelsbach
January 26, 2024
Contents
1
About this Guide
1.1
Legal Information
1.2
Feedback and Contact
1.3
Introduction
1.4
Audience for This Guide
1.5
How to Use This Guide
1.6
Conventions Used in This Guide
2
Overview
2.1
Introduction
2.2
Performance Characteristics
2.3
Error Behavior
3
Function Reference
3.1
System functions
3.1.1
Introduction
3.1.2
arsyver
- Get version information
3.1.3
arsyerr
- Retrieve and reset error code
3.2
Characteristic Mach Number
3.2.1
Introduction
3.2.2
armcmm
- Compute given normal mach number,
3.2.3
armcms
- Compute given characteristic mach number,
3.3
Hugoniot compression
3.3.1
Introduction
3.3.2
arshud
- Compute given density factor
3.3.3
arshup
- Compute given density factor
3.4
Critical mach number
3.4.1
armcrm
- Critical pressure coefficient given
3.4.2
armcrc
- Critical mach number given
3.4.3
armcrpg
- Critical mach number given
using Prandtl-Glauert pressure approximation
3.4.4
armcrla
- Critical mach number given
using Laitone pressure approximation
3.4.5
armcrkt
- Critical mach number given
using Karman-Tsien pressure approximation
3.5
Isentropic flow
3.5.1
Introduction
3.5.2
arfism
- Isentropic relations given
3.5.3
arfisp
- Isentropic relations given
3.5.4
arfisd
- Isentropic relations given
3.5.5
arfist
- Isentropic relations given
3.5.6
arfisa
- Isentropic relations given
3.6
Fanno flow
3.6.1
Introduction
3.6.2
arffam
- Fanno relations given
3.6.3
arffap
- Fanno relations given
3.6.4
arffad
- Fanno relations given
3.6.5
arffat
- Fanno relations given
3.6.6
arffav
- Fanno relations given
3.6.7
arffap0
- Fanno relations given
3.6.8
arffaf
- Fanno relations given
3.6.9
arffads
- Fanno relations given
3.7
Rayleigh Flow
3.7.1
Introduction
3.7.2
arfram
- Rayleigh relations given
3.7.3
arfrap
- Rayleigh relations given
3.7.4
arfrad
- Rayleigh relations given
3.7.5
arfrat
- Rayleigh relations given
3.7.6
arfrav
- Rayleigh relations given
3.7.7
arfrap0
- Rayleigh relations given
3.7.8
arfrat0
- Rayleigh relations given
3.7.9
arfrads
- Rayleigh relations given
3.8
Isothermal flow through long duct
3.8.1
Introduction
3.8.2
arfitm
- Isothermal relations given
3.8.3
arfitv
- Isothermal relations given
3.8.4
arfits
- Isothermal relations given
3.8.5
arfitp0
- Isothermal relations given
3.8.6
arfitt0
- Isothermal relations given
3.8.7
arfitf
- Isothermal relations given
3.9
DeLaval nozzle flow
3.9.1
Introduction
3.9.2
arfqism
- DeLaval isentropic flow relations given
3.9.3
arfqisp
- DeLaval isentropic flow relations given
3.9.4
arfqisd
- DeLaval isentropic flow relations given
3.9.5
arfqist
- DeLaval isentropic flow relations given
3.9.6
arfqisa
- DeLaval isentropic flow relations given
3.10
Normal Shock Waves
3.10.1
Introduction
3.10.2
arsnsm1
- Normal shock relations given
3.10.3
arsnsm2
- Normal shock relations given
3.10.4
arsnsp
- Normal shock relations given
3.10.5
arsnsd
- Normal shock relations given
3.10.6
arsnst
- Normal shock relations given
3.10.7
arsnsp0
- Normal shock relations given
3.11
Oblique Shock Relations
3.11.1
Introduction
3.11.2
arsolmw
- Oblique shock relations given
and
3.11.3
arsolpw
- Oblique shock relations given
and
3.11.4
arsoldw
- Oblique shock relations given
and
3.11.5
arsoltw
- Oblique shock relations given
and
3.11.6
arsolp0w
- Oblique shock relations given
and
3.11.7
arsolws
- Oblique shock relations given
and
3.11.8
arsolms
- Oblique shock relations given
and
3.12
Oblique Shock Limits
3.12.1
Introduction
3.12.2
arsolld
- Compute maximum wave and deflection surface angle before shock detachment
3.12.3
arsolls
- Compute maximum wave and deflection surface angle that wil result in sonic downstream flow
3.13
Prandtl-Meyer function
3.13.1
Introduction
3.13.2
arspmm
- Prandtl-Meyer properties given
3.13.3
arspmv
- Prandtl-Meyer properties given
3.13.4
arspmt
- Prandtl-Meyer properties given
3.13.5
arspmfm
- Prandtl-Meyer angle from
3.13.6
arspmfv
- Mach number from
3.14
Expansion Fan (Rarefaction Wave)
3.14.1
Introduction
3.14.2
arsefm
- Expansion fan properties given
and
3.14.3
arsefp
- Expansion fan properties given
and either
or
3.14.4
arsefd
- Expansion fan properties given
and either
or
3.14.5
arseft
- Expansion fan properties given
and either
or
3.15
(Rayleigh-)Pitot Tube Relations
3.15.1
Introduction
3.15.2
arsptm
- (Rayleigh-)Pitot relations given
3.15.3
arsptp
- (Rayleigh-)Pitot relations given
or
3.16
Reflected Shock Waves
3.16.1
Introduction
3.16.2
arsrsms
- Reflected shock wave mach number given
3.16.3
arsrsmr
- Incident shock wave mach number given
3.17
Quasi-2D Conical Flow
3.17.1
Introduction
3.17.2
arscomw
- Conical flow given
and
3.17.3
arscoms
- Conical flow given
and
3.18
Moving Normal Shock Waves
3.19
Moving Normal Shock Waves (Thermodynamic Properties)
3.19.1
Introduction
3.19.2
arsmnsm
- Moving shock relations given
3.19.3
arsmnsp
- Moving shock relations given
3.19.4
arsmnsd
- Moving shock relations given
3.19.5
arsmnst
- Moving shock relations given
3.20
Moving Normal Shock Waves (Dynamic Properties)
3.20.1
Introduction
3.20.2
arsmnvp
- Dynamic moving shock relations given
3.20.3
arsmnvw
- Dynamic moving shock relations given
3.20.4
arsmnvup
- Dynamic moving shock relations given
3.21
Karman-Tsien Pressure Correction Coefficient
3.21.1
Introduction
3.21.2
arckarcp
- Karman-Tsien pressure correction given
and
3.21.3
arckarci
- Karman-Tsien pressure correction given
and
3.22
Laitone Pressure Correction Coefficient
3.22.1
Introduction
3.22.2
arclaicp
- Laitone pressure correction given
and
3.22.3
arclaici
- Laitone pressure correction given
and
3.23
Prandtl-Glauert Pressure Correction Coefficient
3.23.1
Introduction
3.23.2
arcpglcp
- Prandtl-Glauert pressure correction given
and
3.23.3
arcpglci
- Prandtl-Glauert pressure correction given
and
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