Example #1
0
func main() {
	// options
	verbose := false
	show := true

	// finalise analysis process and catch errors upon exit
	defer out.End()

	// start analysis process
	out.Start("spo754.sim", 0, 0)

	// all nodes
	out.Define("all nodes", out.AllNodes())
	out.Define("A", out.At{0, 5})

	// load results
	out.LoadResults(nil)

	// check
	skipK := true
	tolK := 1e-17
	tolu := 1e-11
	tols := 1e-04

	var tst testing.T
	fem.TestingCompareResultsU(&tst, "data/spo754.sim", "spo754.cmp", tolK, tolu, tols, skipK, verbose)

	// plot
	out.Splot("Plot")
	out.Plot("uy", "t", "A", plt.Fmt{C: "r", M: "o"}, -1)
	out.Draw("", "", show, nil)
}
Example #2
0
func main() {

	// finalise analysis process and catch errors upon exit
	defer out.End()

	// start analysis process
	out.Start("o2elast.sim", 0, 0)

	// define entities
	out.Define("rod", out.Along{{0.05, 0.2, 0.05}, {0.05, 0.6, 0.05}})

	// load results
	out.LoadResults([]float64{0.2, 0.4, 0.6, 0.8, 0.9, 0.98, 1})

	// read comparison results
	rcmp_nod := read_pyfem_rod_data("cmp/pyfem_o2_rod_nod.dat")

	// plot uy along y for selected times
	out.Splot("rod displacements")
	for i, _ := range out.TimeInds {
		out.Plot("y", "uy", "rod", plt.Fmt{}, i)
	}
	for _, d := range rcmp_nod {
		plt.Plot(d.Y, d.Uy, "'k+', ms=5")
	}

	// show
	out.Draw("", "", true, nil)
}
Example #3
0
func main() {

	// finalise analysis process and catch errors
	defer out.End()

	// input data
	simfn := "onepulse-qua9co.sim"
	flag.Parse()
	if len(flag.Args()) > 0 {
		simfn = flag.Arg(0)
	}
	if io.FnExt(simfn) == "" {
		simfn += ".sim"
	}

	// start analysis process
	out.Start(simfn, 0, 0)

	// define entities
	out.Define("A B C D E", out.N{-5, -4, -3, -2, -1})
	out.Define("a b c d e", out.P{{15, 8}, {13, 8}, {8, 8}, {4, 8}, {0, 0}})

	// load results
	out.LoadResults(nil)

	// styles
	me := 10
	S := []plt.Fmt{
		plt.Fmt{C: "b", M: "*", Me: me},
		plt.Fmt{C: "g", M: "o", Me: me},
		plt.Fmt{C: "m", M: "x", Me: me},
		plt.Fmt{C: "orange", M: "+", Me: me},
		plt.Fmt{C: "r", M: "^", Me: me},
	}

	// pl
	out.Splot("liquid pressure")
	for i, l := range []string{"A", "B", "C", "D", "E"} {
		out.Plot("t", "pl", l, S[i], -1)
	}

	// uy
	out.Splot("displacements")
	for i, l := range []string{"A", "B", "C", "D", "E"} {
		out.Plot("t", "uy", l, S[i], -1)
	}

	out.Splot("liquid saturation")
	for i, l := range []string{"a", "b", "c", "d", "e"} {
		out.Plot("t", "sl", l, S[i], -1)
	}

	out.Splot("stresses")
	for i, l := range []string{"a", "b", "c", "d", "e"} {
		out.Plot("t", "sy", l, S[i], -1)
	}

	// show
	out.Draw("", "", true, nil)
}
Example #4
0
func read_summary(simfn string) (*utl.DblSlist, string) {
	if simfn == "" {
		return nil, ""
	}
	if io.FnExt(simfn) == "" {
		simfn += ".sim"
	}
	defer out.End()
	out.Start(simfn, 0, 0)
	return &out.Sum.Resids, io.FnKey(simfn)
}
Example #5
0
func main() {

	// finalise analysis process and catch errors
	defer out.End()

	// input data
	simfn := "d2-simple-flux"
	flag.Parse()
	if len(flag.Args()) > 0 {
		simfn = flag.Arg(0)
	}
	if io.FnExt(simfn) == "" {
		simfn += ".sim"
	}

	// start analysis process
	out.Extrap = []string{"nwlx", "nwly"}
	out.Start(simfn, 0, 0)

	// define entities
	out.Define("top-middle", out.At{5, 3})
	out.Define("section-A", out.N{-1})
	out.Define("section-B", out.Along{{0, 0}, {10, 0}})

	// load results
	out.LoadResults(nil)

	// compute water discharge along section-A
	nwlx_TM := out.GetRes("ex_nwlx", "top-middle", -1)
	Q := out.Integrate("ex_nwlx", "section-A", "y", -1)
	io.PfYel("Q = %g m³/s [answer: 0.0003]\n", Q)

	// plot
	kt := len(out.Times) - 1
	out.Splot("")
	out.Plot("pl", "y", "section-A", plt.Fmt{L: "t=0"}, 0)
	out.Plot("pl", "y", "section-A", plt.Fmt{L: io.Sf("t=%g", out.Times[kt])}, kt)
	out.Splot("")
	out.Plot("x", "pl", "section-B", plt.Fmt{L: "t=0"}, 0)
	out.Plot("x", "pl", "section-B", plt.Fmt{L: io.Sf("t=%g", out.Times[kt])}, kt)
	out.Splot("")
	out.Plot("t", nwlx_TM, "top-middle", plt.Fmt{}, -1)
	out.Csplot.Ylbl = "$n_{\\ell}\\cdot w_{\\ell x}$"

	// show
	if true {
		out.Draw("", "", true, func(i, j, nplots int) {
			if i == 2 && j == 1 {
				plt.Plot([]float64{0, 10}, []float64{10, 9}, "'k--'")
			}
		})
	}
}
Example #6
0
func main() {

	// finalise analysis process and catch errors
	defer out.End()

	// input data
	simfn := "a-coarse-elast-d2-q9"
	flag.Parse()
	if len(flag.Args()) > 0 {
		simfn = flag.Arg(0)
	}
	if io.FnExt(simfn) == "" {
		simfn += ".sim"
	}

	// start analysis process
	out.Start(simfn, 0, 0)

	// define entities
	out.Define("a", out.P{{18, 8}})

	// load results
	out.LoadResults(nil)

	nf_a := out.GetRes("nf", "a", -1)
	pl_a := out.GetRes("pl", "a", -1)
	pc_a := make([]float64, len(pl_a))
	for i, _ := range pl_a {
		pc_a[i] = -pl_a[i]
	}

	out.Splot("LRM")
	_, d, _ := io.ReadTable("lrm.dat")
	plt.Plot(d["pc"], d["sl"], "'c-',lw=2")

	out.Plot(pc_a, "sl", "a", plt.Fmt{M: "o"}, -1)
	out.Csplot.Xlbl = "$p_c$"

	out.Splot("porosity")
	out.Plot("t", nf_a, "a", plt.Fmt{M: "+"}, -1)
	out.Csplot.Ylbl = "$n_f$"

	// show
	out.Draw("", "", true, nil)
}
Example #7
0
func main() {

	// finalise analysis process and catch errors
	defer out.End()
	var sol ana.PressCylin
	sol.Init(fun.Prms{
		&fun.Prm{N: "a", V: 100},
		&fun.Prm{N: "b", V: 200},
		&fun.Prm{N: "E", V: 210},
		&fun.Prm{N: "ν", V: 0.3},
		&fun.Prm{N: "σy", V: 0.24},
		&fun.Prm{N: "P", V: 0.2},
	})

	// start analysis process
	datadir := "$GOPATH/src/github.com/cpmech/gofem/examples/spo751_pressurised_cylinder/"
	out.Start(datadir+"spo751.sim", 0, 0)

	// define entities
	out.Define("A", out.N{0})
	out.Define("B", out.N{20})
	out.Define("bottom", out.Along{{100, 0}, {101, 0}})

	// load results
	out.LoadResults(nil)

	out.Splot("Pressure at inner and outer face")
	out.Plot("ux", "t", "A", plt.Fmt{C: "b", M: ".", L: "inner"}, -1)
	out.Plot("ux", "t", "B", plt.Fmt{C: "r", M: ".", L: "outer"}, -1)

	//out.Splot("radial stress")
	//X, _, _ := out.GetXYZ("ux", "bottom")
	//SR := make([]float64, len(X))
	//ST := make([]float64, len(X))
	//c := sol.Getc()
	//sol.Sig(c, X, SR, ST)

	//out.Plt(X, ST, "bottom", plt.FmtS{"b.-"}, -1)

	// show
	out.Draw("", "", true, nil)
}
Example #8
0
func main() {

	// finalise analysis process and catch errors
	defer out.End()

	// input data
	simfn := "data/twoqua4.sim"
	exnwl := false
	stgidx := 0

	// parse flags
	flag.Parse()
	if len(flag.Args()) > 0 {
		simfn = flag.Arg(0)
	}
	if len(flag.Args()) > 1 {
		exnwl = io.Atob(flag.Arg(1))
	}
	if len(flag.Args()) > 2 {
		stgidx = io.Atoi(flag.Arg(2))
	}

	// check extension
	if io.FnExt(simfn) == "" {
		simfn += ".sim"
	}

	// print input data
	io.Pf("\nInput data\n")
	io.Pf("==========\n")
	io.Pf("  simfn   = %30s // simulation filename\n", simfn)
	io.Pf("  exnwl   = %30v // extrapolate nwl\n", exnwl)
	io.Pf("  stgidx  = %30v // stage index\n", stgidx)
	io.Pf("\n")

	// start analysis process
	out.Start(simfn, stgidx, 0)

	// global variables
	ndim = out.Dom.Msh.Ndim
	verts = out.Dom.Msh.Verts
	cells = out.Dom.Msh.Cells
	nodes = out.Dom.Nodes
	elems = out.Dom.Elems
	dirout = fem.Global.Sim.Data.DirOut
	fnkey = fem.Global.Sim.Data.FnameKey
	steady = fem.Global.Sim.Data.Steady

	// flags
	has_u := out.Dom.YandC["ux"]
	has_pl := out.Dom.YandC["pl"]
	has_pg := out.Dom.YandC["pg"]
	has_sig := out.Ipkeys["sx"]
	has_nwl := out.Ipkeys["nwlx"]
	has_p := has_pl || has_pg
	lbb := has_u && has_p
	if fem.Global.Sim.Data.NoLBB {
		lbb = false
	}

	// buffers
	pvd := make(map[string]*bytes.Buffer)
	geo := make(map[string]*bytes.Buffer)
	vtu := make(map[string]*bytes.Buffer)
	if _, ok := out.Dom.YandC["ux"]; ok {
		pvd["u"] = new(bytes.Buffer)
		geo["u"] = new(bytes.Buffer)
		vtu["u"] = new(bytes.Buffer)
	}
	if _, ok := out.Dom.YandC["fl"]; ok {
		pvd["fl"] = new(bytes.Buffer)
		geo["fl"] = new(bytes.Buffer)
		vtu["fl"] = new(bytes.Buffer)
	}
	if _, ok := out.Dom.YandC["pl"]; ok {
		pvd["pl"] = new(bytes.Buffer)
		geo["pl"] = new(bytes.Buffer)
		vtu["pl"] = new(bytes.Buffer)
	}
	if _, ok := out.Dom.YandC["pg"]; ok {
		pvd["pg"] = new(bytes.Buffer)
		geo["pg"] = new(bytes.Buffer)
		vtu["pg"] = new(bytes.Buffer)
	}
	if len(out.Ipkeys) > 0 {
		pvd["ips"] = new(bytes.Buffer)
		geo["ips"] = new(bytes.Buffer)
		vtu["ips"] = new(bytes.Buffer)
	}
	if exnwl {
		pvd["ex_nwl"] = new(bytes.Buffer)
		geo["ex_nwl"] = new(bytes.Buffer)
		vtu["ex_nwl"] = new(bytes.Buffer)
	}

	// extrapolated values keys
	extrap_keys := []string{"nwlx", "nwly"}
	if ndim == 3 {
		extrap_keys = []string{"nwlx", "nwly", "nwlz"}
	}

	// headers
	for _, b := range pvd {
		pvd_header(b)
	}

	// process results
	for tidx, t := range out.Sum.OutTimes {

		// input results into domain
		if !out.Dom.In(out.Sum, tidx, true) {
			chk.Panic("cannot load results into domain; please check log file")
		}

		// message
		io.PfWhite("time     = %g\r", t)

		// generate topology
		if tidx == 0 {
			for label, b := range geo {
				topology(b, label == "ips", lbb)
			}

			// allocate integration points values
			ipvals = make([]map[string]float64, len(out.Ipoints))
			for i, _ := range out.Ipoints {
				ipvals[i] = make(map[string]float64)
			}
		}

		// get integration points values @ time t
		for i, p := range out.Ipoints {
			vals := p.Calc(out.Dom.Sol)
			for key, val := range vals {
				ipvals[i][key] = val
			}
		}

		// compute extrapolated values
		if exnwl {
			out.ComputeExtrapolatedValues(extrap_keys)
		}

		// for each data buffer
		for label, b := range vtu {

			// reset buffer
			b.Reset()

			// points data
			if label == "ips" {
				pdata_open(b)
				if has_sig {
					pdata_write(b, "sig", skeys, true)
				}
				if has_nwl {
					pdata_write(b, "nwl", nwlkeys, true)
				}
				for key, _ := range out.Ipkeys {
					if !is_sig[key] && !is_nwl[key] {
						pdata_write(b, key, []string{key}, true)
					}
				}
				pdata_close(b)
			} else {
				pdata_open(b)
				pdata_write(b, label, label2keys[label], false)
				pdata_close(b)
			}

			// cells data
			cdata_write(b, label == "ips")

			// write vtu file
			vtu_write(geo[label], b, tidx, label)
		}

		// pvd
		for label, b := range pvd {
			pvd_line(b, tidx, t, label)
		}
	}

	// write pvd files
	for label, b := range pvd {
		pvd_write(b, label)
	}
}