%該程序為主程序
clear;%清除工作空間變量；
clc;format compact;format long g;
%per=[0:0.2:1.0 1.5:0.5:2 3:1:6];%設定自振周期范圍,分別采用不同的密度；
per=0:0.2:6;
sp=length(per);
%采用不同的屈服強度系數；
ebx(1)=0.167;
ebx(2)=0.2;
ebx(3)=0.25;
ebx(4)=0.333;
ebx(5)=0.5;
for iy=1:5
    eb=ebx(iy);
	%=加載地震波=-------------------------------------------------------------------
	%next one 2
	fida(1)=fopen('e:/berkleywave/northridge/nor_116360_a.txt','r+');
	fidv(1)=fopen('e:/berkleywave/northridge/nor_116360_v.txt','r+');
	ddt(1)=0.02;
	%next one 5
	fida(2)=fopen('e:/berkleywave/northridge/nor_alh090_a.txt','r+');
	fidv(2)=fopen('e:/berkleywave/northridge/nor_alh090_v.txt','r+');
	ddt(2)=0.02;
	%next one 8
	fida(3)=fopen('e:/berkleywave/northridge/nor_ana180_a.txt','r+');
	fidv(3)=fopen('e:/berkleywave/northridge/nor_ana180_v.txt','r+');
	ddt(3)=0.01;
	%next one 10
	fida(4)=fopen('e:/berkleywave/northridge/nor_arc262_a.txt','r+');
	fidv(4)=fopen('e:/berkleywave/northridge/nor_arc262_v.txt','r+');
	ddt(4)=0.01;
	%next one 24
	fida(5)=fopen('e:/berkleywave/northridge/nor_bld360_a.txt','r+');
	fidv(5)=fopen('e:/berkleywave/northridge/nor_bld360_v.txt','r+');
	ddt(5)=0.02;
	%next one 28
	fida(6)=fopen('e:/berkleywave/northridge/nor_bpk180_a.txt','r+');
	fidv(6)=fopen('e:/berkleywave/northridge/nor_bpk180_v.txt','r+');
	ddt(6)=0.01;
	%next one 37
	fida(7)=fopen('e:/berkleywave/northridge/nor_cat090_a.txt','r+');
	fidv(7)=fopen('e:/berkleywave/northridge/nor_cat090_v.txt','r+');
	ddt(7)=0.01;
	%next one 41
	fida(8)=fopen('e:/berkleywave/northridge/nor_cdf000_a.txt','r+');
	fidv(8)=fopen('e:/berkleywave/northridge/nor_cdf000_v.txt','r+');
	ddt(8)=0.01;
	%next one 54
	fida(9)=fopen('e:/berkleywave/northridge/nor_cuc180_a.txt','r+');
	fidv(9)=fopen('e:/berkleywave/northridge/nor_cuc180_v.txt','r+');
	ddt(9)=0.01;
	%next one 55
	fida(10)=fopen('e:/berkleywave/northridge/nor_cwc180_a.txt','r+');
	fidv(10)=fopen('e:/berkleywave/northridge/nor_cwc180_v.txt','r+');
	ddt(10)=0.01;
	%next one 60
	fida(11)=fopen('e:/berkleywave/northridge/nor_del090_a.txt','r+');
	fidv(11)=fopen('e:/berkleywave/northridge/nor_del090_v.txt','r+');
	ddt(11)=0.01;
	%next one 61
	fida(12)=fopen('e:/berkleywave/northridge/nor_dwn090_a.txt','r+');
	fidv(12)=fopen('e:/berkleywave/northridge/nor_dwn090_v.txt','r+');
	ddt(12)=0.02;
	%next one 79
	fida(13)=fopen('e:/berkleywave/northridge/nor_gar000_a.txt','r+');
	fidv(13)=fopen('e:/berkleywave/northridge/nor_gar000_v.txt','r+');
	ddt(13)=0.01;
	%next one 80
	fida(14)=fopen('e:/berkleywave/northridge/nor_gar270_a.txt','r+');
	fidv(14)=fopen('e:/berkleywave/northridge/nor_gar270_v.txt','r+');
	ddt(14)=0.01;
	%next one 81
	fida(15)=fopen('e:/berkleywave/northridge/nor_gle170_a.txt','r+');
	fidv(15)=fopen('e:/berkleywave/northridge/nor_gle170_v.txt','r+');
	ddt(15)=0.01;
	%next one 87
	fida(16)=fopen('e:/berkleywave/northridge/nor_gra074_a.txt','r+');
	fidv(16)=fopen('e:/berkleywave/northridge/nor_gra074_v.txt','r+');
	ddt(16)=0.01;
	%next one 88
	fida(17)=fopen('e:/berkleywave/northridge/nor_gra344_a.txt','r+');
	fidv(17)=fopen('e:/berkleywave/northridge/nor_gra344_v.txt','r+');
	ddt(17)=0.01;
	%next one 94
	fida(18)=fopen('e:/berkleywave/northridge/nor_hem090_a.txt','r+');
	fidv(18)=fopen('e:/berkleywave/northridge/nor_hem090_v.txt','r+');
	ddt(18)=0.01;
	%next one 104
	fida(19)=fopen('e:/berkleywave/northridge/nor_ing090_a.txt','r+');
	fidv(19)=fopen('e:/berkleywave/northridge/nor_ing090_v.txt','r+');
	ddt(19)=0.02;
	%next one 106
	fida(20)=fopen('e:/berkleywave/northridge/nor_jab310_a.txt','r+');
	fidv(20)=fopen('e:/berkleywave/northridge/nor_jab310_v.txt','r+');
	ddt(20)=0.01;
	%next one 118
	fida(21)=fopen('e:/berkleywave/northridge/nor_lan360_a.txt','r+');
	fidv(21)=fopen('e:/berkleywave/northridge/nor_lan360_v.txt','r+');
	ddt(21)=0.02;
	%next one 126
	fida(22)=fopen('e:/berkleywave/northridge/nor_lh1090_a.txt','r+');
	fidv(22)=fopen('e:/berkleywave/northridge/nor_lh1090_v.txt','r+');
	ddt(22)=0.02;
	%next one 130
	fida(23)=fopen('e:/berkleywave/northridge/nor_lit180_a.txt','r+');
	fidv(23)=fopen('e:/berkleywave/northridge/nor_lit180_v.txt','r+');
	ddt(23)=0.01;
	%next one 131
	fida(24)=fopen('e:/berkleywave/northridge/nor_loa092_a.txt','r+');
	fidv(24)=fopen('e:/berkleywave/northridge/nor_loa092_v.txt','r+');
	ddt(24)=0.01;
	%next one 146
	fida(25)=fopen('e:/berkleywave/northridge/nor_lv5090_a.txt','r+');
	fidv(25)=fopen('e:/berkleywave/northridge/nor_lv5090_v.txt','r+');
	ddt(25)=0.02;
	%next one 150
	fida(26)=fopen('e:/berkleywave/northridge/nor_mal360_a.txt','r+');
	fidv(26)=fopen('e:/berkleywave/northridge/nor_mal360_v.txt','r+');
	ddt(26)=0.02;
	%next one 152
	fida(27)=fopen('e:/berkleywave/northridge/nor_man090_a.txt','r+');
	fidv(27)=fopen('e:/berkleywave/northridge/nor_man090_v.txt','r+');
	ddt(27)=0.01;
	%next one 159
	fida(28)=fopen('e:/berkleywave/northridge/nor_mrp090_a.txt','r+');
	fidv(28)=fopen('e:/berkleywave/northridge/nor_mrp090_v.txt','r+');
	ddt(28)=0.02;
	%next one 165
	fida(29)=fopen('e:/berkleywave/northridge/nor_nbi000_a.txt','r+');
	fidv(29)=fopen('e:/berkleywave/northridge/nor_nbi000_v.txt','r+');
	ddt(29)=0.02;
	%next one 166
	fida(30)=fopen('e:/berkleywave/northridge/nor_nbi090_a.txt','r+');
	fidv(30)=fopen('e:/berkleywave/northridge/nor_nbi090_v.txt','r+');
	ddt(30)=0.02;
	%next one 191
	fida(31)=fopen('e:/berkleywave/northridge/nor_php000_a.txt','r+');
	fidv(31)=fopen('e:/berkleywave/northridge/nor_php000_v.txt','r+');
	ddt(31)=0.01;
	%next one 193
	fida(32)=fopen('e:/berkleywave/northridge/nor_pic090_a.txt','r+');
	fidv(32)=fopen('e:/berkleywave/northridge/nor_pic090_v.txt','r+');
	ddt(32)=0.01;
	%next one 198
	fida(33)=fopen('e:/berkleywave/northridge/nor_pth180_a.txt','r+');
	fidv(33)=fopen('e:/berkleywave/northridge/nor_pth180_v.txt','r+');
	ddt(33)=0.02;
	%next one 212
	fida(34)=fopen('e:/berkleywave/northridge/nor_rma090_a.txt','r+');
	fidv(34)=fopen('e:/berkleywave/northridge/nor_rma090_v.txt','r+');
	ddt(34)=0.02;
	%next one 214
	fida(35)=fopen('e:/berkleywave/northridge/nor_ro3090_a.txt','r+');
	fidv(35)=fopen('e:/berkleywave/northridge/nor_ro3090_v.txt','r+');
	ddt(35)=0.01;
	%next one 300
	fida(36)=fopen('e:/berkleywave/northridge/nor_san180_a.txt','r+');
	fidv(36)=fopen('e:/berkleywave/northridge/nor_san180_v.txt','r+');
	ddt(36)=0.01;
	%next one 221
	fida(37)=fopen('e:/berkleywave/northridge/nor_sbg000_a.txt','r+');
	fidv(37)=fopen('e:/berkleywave/northridge/nor_sbg000_v.txt','r+');
	ddt(37)=0.02;
	%next one 227
	fida(38)=fopen('e:/berkleywave/northridge/nor_scs052_a.txt','r+');
	fidv(38)=fopen('e:/berkleywave/northridge/nor_scs052_v.txt','r+');
	ddt(38)=0.005;
	%next one 229
	fida(39)=fopen('e:/berkleywave/northridge/nor_sea000_a.txt','r+');
	fidv(39)=fopen('e:/berkleywave/northridge/nor_sea000_v.txt','r+');
	ddt(39)=0.01;
	%next one 231
	fida(40)=fopen('e:/berkleywave/northridge/nor_ser000_a.txt','r+');
	fidv(40)=fopen('e:/berkleywave/northridge/nor_ser000_v.txt','r+');
	ddt(40)=0.01;
	%next one 232
	fida(41)=fopen('e:/berkleywave/northridge/nor_ser270_a.txt','r+');
	fidv(41)=fopen('e:/berkleywave/northridge/nor_ser270_v.txt','r+');
	ddt(41)=0.01;
	%next one 237
	fida(42)=fopen('e:/berkleywave/northridge/nor_sor225_a.txt','r+');
	fidv(42)=fopen('e:/berkleywave/northridge/nor_sor225_v.txt','r+');
	ddt(42)=0.01;
	%next one 238
	fida(43)=fopen('e:/berkleywave/northridge/nor_sor315_a.txt','r+');
	fidv(43)=fopen('e:/berkleywave/northridge/nor_sor315_v.txt','r+');
	ddt(43)=0.01;
	%next one 276
	fida(44)=fopen('e:/berkleywave/northridge/nor_vrm090_a.txt','r+');
	fidv(44)=fopen('e:/berkleywave/northridge/nor_vrm090_v.txt','r+');
	ddt(44)=0.01;
	%next one 278
	fida(45)=fopen('e:/berkleywave/northridge/nor_w15180_a.txt','r+');
	fidv(45)=fopen('e:/berkleywave/northridge/nor_w15180_v.txt','r+');
	ddt(45)=0.01;
	%next one 280
	fida(46)=fopen('e:/berkleywave/northridge/nor_wai290_a.txt','r+');
	fidv(46)=fopen('e:/berkleywave/northridge/nor_wai290_v.txt','r+');
	ddt(46)=0.01;
	%next one 282
	fida(47)=fopen('e:/berkleywave/northridge/nor_wat270_a.txt','r+');
	fidv(47)=fopen('e:/berkleywave/northridge/nor_wat270_v.txt','r+');
	ddt(47)=0.01;
	%next one 285
	fida(48)=fopen('e:/berkleywave/northridge/nor_wil090_a.txt','r+');
	fidv(48)=fopen('e:/berkleywave/northridge/nor_wil090_v.txt','r+');
	ddt(48)=0.01;
	%next one 296
	fida(49)=fopen('e:/berkleywave/northridge/nor_wwj180_a.txt','r+');
	fidv(49)=fopen('e:/berkleywave/northridge/nor_wwj180_v.txt','r+');
	ddt(49)=0.01;
	%=加載地震波=-------------------------------------------------------------------
	um=zeros(1,sp);
	rm=zeros(1,sp);
	nw=49;
    ztd=0;zacv=0;
	for i=1:nw
        tag=0.;tvg=0.;ag=0.;vg=0.;
		dt=ddt(i); 
		ag=fscanf(fida(i),'%f',[1 inf])*9.81; 
		vg=fscanf(fidv(i),'%f',[1 inf])/100; 
		status=fclose(fida(i));status=fclose(fidv(i));
		st=length(ag);%
		at=dt*(st-1); %總時間為at；
		t=0:dt:at;
		cmag=max(abs(ag));
		%ag=ag*2.2/cmag;%%%為和肖結果比較，特添加；
		ag=ag*0.4*9.81/cmag;;%%%和CHAI比較，假定為0.4g，調整mvg；
		vg=vg*0.4*9.81/cmag;
		mag=max(abs(ag));mvg=max(abs(vg));
		acv=mag/9.81/mvg;
        zacv=zacv+acv;
		tc=2*pi*2.0/2.5*mvg/mag;%計算場地特征周期Tc；cv=2.0;ca=2.5;
		%%%&***&***能量分析應采用相同震級地面運動加速度進行標準化；
		%%%計算強震時間td;td=t0.95-t0.05;
		ia=zeros(1,st);
		for m=2:st
            ia(m)=ia(m-1)+pi/2/9.81*(ag(m-1)^2+ag(m)^2)*dt/2;
		end
		iac1=0.1;
		iac2=0.1;
		for n=1:st
            ia1=abs(ia(n)/ia(st)-0.05);
            ia2=abs(ia(n)/ia(st)-0.95);
            if(ia1<iac1)
                iac1=ia1;
                t1=(n-1)*dt;
            end
            if(ia2<iac2)
                iac2=ia2;
                t2=(n-1)*dt;
            end
		end
		td=t2-t1;
        ztd=ztd+td;
		%%%做線彈性計算；
		para1=1;
		[rd1,ad1,rv1,av1,ra1,aa1]=response_l(para1,per,ag,dt,at);
		% figure(1)
		% mesh(per,t,ad1) %繪制出絕對位移時頻反應譜圖；
		% grid on
		% xlabel('周期 / 秒');
		% ylabel('時間 / 秒');
		[row,rank]=size(aa1);
		sa=zeros(1,rank);
		for ri=1:rank
            for rj=1:row
                if (abs(aa1(rj,ri))>sa(ri))
                    sa(ri)=aa1(rj,ri);%彈性加速度反應譜sa（最大絕對加速度反應）；
                end
            end
		end
		%%%做彈塑性計算；
		para1=1;
		[u1,nrd1,nad1,nrv1,nav1,nra1,naa1,rep]=response_n(para1,sa,per,ag,dt,at,eb);
		% figure(2)
		% mesh(per,t,nad1) %繪制出彈塑性位移時頻反應譜；
		% grid on
		% xlabel('周期 / 秒');
		% ylabel('時間 / 秒');
		um1=zeros(1,sp);
		for np=1:sp
            for nt=1:st
                if (abs(u1(nt,np))>um1(np))
                    um1(np)=abs(u1(nt,np));
                end
            end
		end
		
		um=um+um1;
		rm=rm+rep;
	end	
	um=um/nw;
	rm=rm/nw;
    ptd=ztd/nw;pacv=zacv/nw;
    %%%輸出td和a/v數據到硬盤；
    save('e:\north_concrete\b20\bjpingjinzhi.txt','ptd','pacv','-ASCII')
    if(iy==1)
		figure(1)
		plot(per(2:sp),um(2:sp),'kd-.') %繪制出彈塑性位移延性反應譜；
		grid on
		xlabel('周期T(s)');
		ylabel('位移延性系數u');
		title('彈塑性位移延性反應譜');
        hold on;
		figure(2)
        %%%輸出數據到硬盤；
        save('e:\north_concrete\b20\bjem_b20_1.txt','rm','-ASCII')
		plot(per,rm,'kd-.') %繪制出累積滯回耗能譜；
		grid on
		xlabel('周期T(s)');
		ylabel('滯回耗能Eh(J/kg)');
		title('彈塑性滯回耗能譜');
        hold on;
    elseif(iy==2)
        figure(1)
		plot(per(2:sp),um(2:sp),'kh-.') %繪制出彈塑性位移延性反應譜；
        hold on;
        figure(2)
        %%%輸出數據到硬盤；
        save('e:\north_concrete\b20\bjem_b20_2.txt','rm','-ASCII')
		plot(per,rm,'kh-.') %繪制出累積滯回耗能譜；
        hold on;
    elseif(iy==3)
        figure(1)
		plot(per(2:sp),um(2:sp),'ko-.') %繪制出彈塑性位移延性反應譜；
        hold on;
        figure(2)
        %%%輸出數據到硬盤；
        save('e:\north_concrete\b20\bjem_b20_3.txt','rm','-ASCII')
		plot(per,rm,'ko-.') %繪制出累積滯回耗能譜；
        hold on;
    elseif(iy==4)
        figure(1)
 		plot(per(2:sp),um(2:sp),'kp-.') %繪制出彈塑性位移延性反應譜；
        hold on;
        figure(2)
       %%%輸出數據到硬盤；
        save('e:\north_concrete\b20\bjem_b20_4.txt','rm','-ASCII')
		plot(per,rm,'kp-.') %繪制出累積滯回耗能譜；
        hold on;
    else
        figure(1)
		plot(per(2:sp),um(2:sp),'ks-.') %繪制出彈塑性位移延性反應譜；
        hold on;
        figure(2)
        %%%輸出數據到硬盤；
        save('e:\north_concrete\b20\bjem_b20_5.txt','rm','-ASCII')
		plot(per,rm,'ks-.') %繪制出累積滯回耗能譜；
        hold on;
    end       
end