A Comparative Study on Different Parallel Solvers for Nonlinear Analysis of Complex Structures

Table 3

Parameters for cooling pipe simulations.

Items	Concrete	Plastic pipe	Metal pipe
Materials	C40 concrete	Polyethylene	Steel
Physical properties	λ = 6.26 kJ/(m·h·°C); ρ = 2430 kg/m^3; c = 0.97 kJ/(kg·°C)	λ = 1.73 kJ/(m·h·°C); ρ = 940 kg/m^3; c = 2.3 kJ/(kg·°C)	λ = 173 kJ/(m·h·°C); ρ= 7850 kg/m^3; c = 4.8 × 10^5 kJ/(kg·°C)
Geometrical properties	R = 1.5 m	𝑅𝑜 = 16.0 mm; 𝑅𝑖 = 14.0 mm	𝑅𝑜 = 12.7 mm; 𝑅𝑖 = 11.2 mm
Initial conditions	𝑇0 = 20°C	𝑇0 = 0°C	𝑇0 = 0°C
Boundary conditions	𝑞𝑏 = 0 kJ	𝑇𝑏 = 0°C	𝑇𝑏 = 0°C